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Manfred Eigen

Manfred Eigen (9 May 1927 – 6 February 2019) was a German biophysicist and chemist renowned for his pioneering studies of extremely fast chemical reactions, for which he shared the 1967 Nobel Prize in Chemistry with Ronald George Wreyford Norrish and George Porter.^[1]^[2] Born in Bochum, Germany, to a family of musicians, Eigen shifted from early aspirations in piano to science after World War II, becoming a leading figure in physical chemistry and biophysics through his work at the Max Planck Society.^[3] His innovations in measuring reaction kinetics on micro- and nanosecond timescales revolutionized understanding of molecular processes, while his later research bridged physics, chemistry, and biology to explore self-organization and evolution.^[4] Eigen's education began at the humanistic Gymnasium in Bochum, followed by studies in physics and chemistry at the University of Göttingen starting in 1945.^[3] He earned his doctorate in natural sciences in 1951 under Arnold Eucken, with a dissertation on the specific heat of heavy water and aqueous electrolyte solutions.^[3] From 1951 to 1953, he served as an assistant lecturer in physical chemistry at Göttingen under Ewald Wicke, before joining the Max Planck Institute for Physical Chemistry in 1953 under director Karl Friedrich Bonhoeffer.^[3] There, in collaboration with Leo de Maeyer starting in 1954, Eigen developed relaxation techniques using high-frequency sound waves and electrical pulses to observe rapid ionic and biochemical reactions, publishing nearly 100 papers on thermodynamics, electrolytes, proton transfers, metal complexes, and enzyme kinetics.^[3]^[1] The Nobel Prize recognized Eigen's method of disturbing chemical equilibria with short energy pulses to study reactions too fast for conventional techniques, such as the dissociation of salts in solvents.^[1] Appointed a Scientific Member of the Max Planck Society in 1958 and head of the Department of Chemical Kinetics in 1962, he became director of the institute in 1964, managing director from 1967 to 1970, and was elected to the Scientific Council of the German Federal Republic in 1967.^[3]^[4] His awards included the Bodenstein Prize (1956), Otto Hahn Prize (1962), Kirkwood Medal (1963), and Linus Pauling Medal (1967), alongside honorary doctorates from institutions like Harvard University (1966).^[3] In his later career, Eigen founded the Max Planck Institute for Biophysical Chemistry in Göttingen in 1971 by merging existing institutes, serving as director until his retirement in 1995 and overseeing its growth to 850 staff across 12 departments.^[4] He advanced evolutionary biotechnology through "evolution machines" for in vitro selection of biomolecules, contributing to drug development in areas like AIDS research, and introduced theoretical concepts such as the hypercycle, quasispecies model, and error threshold to explain molecular evolution and self-organization in prebiotic systems.^[4] Eigen also held leadership roles, including chair of the European Molecular Biology Organization Council from 1969 to 1971 and president of the Studienstiftung des deutschen Volkes from 1982 to 1993, and co-founded biotechnology firms like Evotec AG.^[4] Married to Elfriede Müller with two children, he pursued interests in amateur music and mountaineering until his death in Göttingen.^[3]

Early life and education

Childhood and family

Manfred Eigen was born on May 9, 1927, in Bochum, Germany, to Ernst Eigen, a professional chamber musician and cellist with the Bochum Symphony Orchestra, and Hedwig Eigen (née Feld).^[3]^[5] Growing up in a middle-class household steeped in musical tradition, Eigen's early years were marked by frequent chamber concerts and piano performances at home, where he was exposed to renowned artists from a young age.^[5]^[4] His parents fostered an environment that emphasized artistic pursuits, with music playing a central role in family life.^[6] From preschool age, Eigen displayed a profound talent for music, beginning intensive piano practice and delivering public recitals by age 12, including works by Bach, Haydn, and Dittersdorf.^[5] Alongside this, Eigen developed an early fascination with science, setting up a home laboratory for chemical experiments despite his mother's concerns over occasional explosions.^[5]^[4] This dual interest in music and the natural sciences, nurtured within his family's cultured yet inquisitive atmosphere, shaped his formative worldview and sparked a particular curiosity in physics through school mathematics and hands-on tinkering.^[6]^[4] World War II profoundly disrupted Eigen's adolescence; at age 15, he was conscripted into the German Air Force auxiliary as part of an antiaircraft unit, which halted his piano practice and musical aspirations.^[6]^[4] Near the war's end in 1945, he was captured by Allied forces but escaped from a prisoner-of-war camp, embarking on an arduous journey on foot through war-torn Germany to Göttingen amid the devastation of bombed cities and societal collapse.^[6]^[4] These wartime ordeals and post-war hardships in a ruined nation underscored the fragility of prewar stability, ultimately steering Eigen toward formal studies in physics and chemistry at the University of Göttingen later that year.^[3]^[4]

Academic training

Manfred Eigen received his secondary education at the Humanistische Gymnasium in Bochum, attending until World War II interrupted his studies in 1942.^[3] At the age of 15, he was drafted into an antiaircraft unit of the German armed forces, serving until the war's end, after which he was briefly held as a prisoner of war.^[6] Following his release, Eigen returned to civilian life and, encouraged by his family's interest in science, enrolled at the Georg-August University in Göttingen in the autumn of 1945 to pursue studies in physics and chemistry.^[3] Under the supervision of physical chemist Arnold Eucken, Eigen completed his Diplom in physics in 1949, with his thesis emphasizing thermodynamics and chemical kinetics. He continued under Eucken for his doctoral research, earning his PhD in natural sciences in 1951 for a dissertation on the thermochemistry of heavy water and aqueous electrolyte solutions, which employed experimental methods including precise calorimetry to measure specific heats.^[3]

Scientific career

Early positions and Max Planck Institute

Following his doctoral dissertation on the thermochemistry of heavy water and aqueous electrolyte solutions under Arnold Eucken, Eigen remained at the University of Göttingen from 1951 to 1953 as an assistant lecturer in the physical chemistry department under Ewald Wicke, where he concentrated on spectroscopic methods to investigate rapid processes in solutions.^[3] During this period, inspired by ultrasound absorption measurements conducted by Konrad Tamm and Walter Kurtze, he initiated studies on fast ionic reactions, laying the groundwork for his later innovations in chemical kinetics.^[3] In 1953, Eigen joined the Max Planck Institute for Physical Chemistry in Göttingen as a scientific assistant, working under the institute's director, Karl Friedrich Bonhoeffer, who recognized his potential in experimental physical chemistry.^[3] At the institute, he began developing advanced spectroscopic techniques capable of resolving processes on the nanosecond timescale, which became central to probing transient chemical states.^[3] Eigen's tenure at the institute during the 1950s also involved constructing key experimental setups, such as those integrating ultrasound for inducing and monitoring rapid perturbations in chemical systems, enabling precise measurements of reaction dynamics that were previously inaccessible.^[3] In 1954, he established a fruitful collaboration with Leo de Maeyer, a colleague at the institute, to refine these ultrasound-based apparatuses for broader applications in kinetics research.^[3] In 1962, he became head of the Department of Chemical Kinetics at the institute.^[4] By 1958, Eigen's contributions earned him promotion to Scientific Member of the Max Planck Society and head of a research group at the institute, granting him greater autonomy to direct projects and foster international exchanges.^[4] This role facilitated exchanges with leading figures in the field, whose methods, such as George Porter's flash photolysis, complemented Eigen's relaxation approaches in advancing the study of ultrafast reactions during the late 1950s.^[7]

Directorship and institutional leadership

In 1964, Manfred Eigen was appointed head of the Max Planck Institute for Physical Chemistry in Göttingen, a role that enabled him to steer the institution toward greater emphasis on biophysical research and interdisciplinary approaches to chemical kinetics and molecular processes.^[3] Under his leadership, the institute's scope broadened to incorporate biophysical methodologies, attracting international collaborators and expanding departmental activities beyond traditional physical chemistry to address biological systems at the molecular level.^[5] This vision culminated in 1971 when Eigen orchestrated the merger of the Max Planck Institute for Physical Chemistry with the Max Planck Institute for Spectroscopy, founding the Max Planck Institute for Biophysical Chemistry (MPI-BPC) in Göttingen.^[8] As the driving force behind this initiative—proposed as early as 1968—Eigen aimed to create a hub for integrating physical, chemical, and biological sciences to explore life's fundamental mechanisms, resulting in an institute that grew from five to twelve departments in its initial years and became a cornerstone for biophysical research worldwide.^[5] He served as head of the Department of Biochemical Kinetics at the MPI-BPC from 1971 until his retirement in 1995, prioritizing scientific excellence over administrative dominance by declining permanent managing directorship.^[8] From 1982 to 1993, Eigen held the presidency of the Studienstiftung des deutschen Volkes, the German National Merit Foundation, where he championed the advancement of young talent by expanding doctoral grants and scholarships for promising scientists, thereby influencing the broader ecosystem of German research education.^[8] Throughout his career, Eigen mentored numerous PhD students and postdoctoral researchers, guiding over a hundred trainees in total and establishing interdisciplinary laboratories at the MPI-BPC that facilitated cross-disciplinary collaborations essential to advancing biophysical chemistry as a field.^[8] His emphasis on individual excellence and innovative environments not only shaped institutional culture but also propelled the global impact of biophysical research through the careers of those he trained.^[5]

Research contributions

Relaxation methods for fast reactions

In the early 1950s, Manfred Eigen developed relaxation spectrometry to investigate chemical reactions too rapid for conventional flow methods, which were limited to timescales of milliseconds or longer.^[9] This approach involved perturbing an established chemical equilibrium—such as through sudden temperature jumps via electrical discharge or microwave heating, or pressure changes using shock waves—and observing the system's return to equilibrium.^[10] By monitoring the relaxation process with techniques like conductivity or spectrophotometry, Eigen could measure reaction rates in the microsecond to nanosecond range, extending kinetic studies to "immeasurably fast" processes previously inaccessible.^[5] The core principle of these methods relies on the relaxation time \tau, defined as the time constant for the system to return to equilibrium after perturbation, related to the rate constant k by the equation

\tau = \frac{1}{k}

for simple first-order processes, where faster reactions exhibit shorter relaxation times.^[9] Eigen's 1954 presentation to the Faraday Society demonstrated this capability, achieving measurements down to $10^{-9} seconds, a breakthrough enabled by precise instrumentation developed in collaboration with Leo de Maeyer.^[10] Early applications included studies of proton transfer in water, such as the neutralization reaction \ce{H+ + OH- -> H2O}, revealing a diffusion-controlled rate constant of $1.4 \times 10^{11} M^{-1} s^{-1} at 25°C, confirming the reaction's near-instantaneous nature.^[9] Further experiments explored hydrogen bonding dynamics, exemplified by the hydrolysis of ammonia (\ce{NH3 + H2O <=> NH4+ + OH-}), where relaxation methods quantified association and dissociation rates, highlighting the role of proton tunneling in such processes.^[10] In enzyme kinetics, Eigen applied these techniques to allosteric enzymes like glyceraldehyde-3-phosphate dehydrogenase, resolving intermediate states and rate-limiting steps in substrate binding and catalysis on nanosecond timescales.^[9] Eigen also integrated relaxation methods with flash photolysis, collaborating with Ronald G. W. Norrish and George Porter to combine rapid energy pulses for initiating and observing transient species in photochemical reactions.^[2]

Molecular evolution and self-organization

In the later stages of his career, Manfred Eigen shifted focus from chemical kinetics to theoretical models of biological evolution, particularly addressing how self-replicating molecules could emerge and organize in prebiotic environments. Central to this work was the quasispecies model, introduced in 1971, which describes the dynamics of populations undergoing error-prone replication, such as in RNA viruses. Unlike classical Darwinian evolution assuming perfect replication, the model accounts for mutations as inevitable, leading to a diverse "quasispecies" cloud of variants centered around a master sequence rather than a single dominant genotype.^[11] The population dynamics of the quasispecies are governed by the equation \frac{dx_i}{dt} = \sum_j Q_{ij} W_j x_j - \phi x_i, where x_i is the frequency of sequence i, Q_{ij} is the mutation probability from sequence j to i (incorporating the mutation rate \mu), W_j is the selective value (fitness) of sequence j (with s representing the relative superiority of the master sequence), and \phi normalizes the total population size. This framework predicts an "error threshold," where if \mu exceeds a critical value relative to s and sequence length, the master sequence cannot be maintained, leading to loss of information—a key constraint for early replicators. Eigen applied this to RNA viruses, explaining their observed genetic diversity as adaptive quasispecies swarms that enhance evolvability and escape host defenses.^[11]^[12] Building on the quasispecies, Eigen developed the hypercycle theory between 1977 and 1979 to resolve limitations in information storage and stability for longer genomes. A hypercycle consists of cooperative cycles of self-replicating molecules where each catalyzes the replication of the next, forming a closed loop that amplifies collective fitness and suppresses parasitic mutants. The mathematical formulation is \frac{dX_i}{dt} = k X_i \left( \sum_j f_j X_j \right) - \phi X_i, where X_i is the concentration of component i, k is the replication rate constant, \sum_j f_j X_j represents the catalytic influence from other components (with f_j as the catalytic efficiency), and \phi ensures normalization of total concentration. This cyclic organization enables self-organization beyond individual replicators, potentially bridging simple autocatalysis to complex cellular life.^[13] Eigen's models have profound applications to the origin of life, positing hypercycles as intermediates in prebiotic evolution where RNA-like polymers could transition from random replication to encoded information processing, overcoming the error catastrophe in primordial soups. In evolutionary biotechnology, these concepts inspired in vitro evolution techniques, such as directed molecular evolution machines, allowing rapid optimization of biomolecules like enzymes and antibodies—Eigen co-founded companies like Evotec to commercialize this approach. For viral quasispecies, the theory predicts diversity thresholds that influence pathogenesis, such as in HIV or influenza, where high \mu sustains adaptability but risks delocalization of the fitness peak.^[14]^[15]^[16] Eigen synthesized these ideas in his 1992 book Steps Towards Life: A Perspective on Evolution, co-authored with Ruthild Winkler-Oswatitsch.^[17] This work integrates physics, chemistry, and biology to trace life's emergence from self-organizing chemical networks to modern genomes, emphasizing quasispecies and hypercycles as foundational mechanisms.

Personal life and legacy

Family and relationships

Eigen married Elfriede Müller in 1952, and the couple had two children: a son, Gerald, born in 1952, and a daughter, Angela, born in 1960.^[3]^[18] The family resided in Göttingen, where Eigen established his career at the Max Planck Institute for Biophysical Chemistry, maintaining a home life amid his intensive scientific pursuits.^[3] In 1972, Eigen married Ruthild Winkler-Oswatitsch, a biophysicist who became his longtime collaborator, particularly on research into molecular evolution and the hypercycle theory.^[18]^[19] Their partnership extended to co-authoring influential works, such as Steps Towards Life: A Perspective on Evolution (1992), blending personal and professional ties.^[20] Throughout his life in Göttingen, Eigen balanced his demanding role as a scientist and institute director with personal interests that enriched family time, including playing the piano—he was a keen amateur pianist from a musical background—and mountaineering during holidays.^[3]^[20] These pursuits provided outlets for relaxation and shared experiences amid his rigorous schedule.

Later years and death

Eigen retired as director of the Max Planck Institute for Biophysical Chemistry in Göttingen in 1995, but he continued his research on molecular evolution and self-organization at the institute for many years thereafter.^[8] He also maintained collaborations, including biannual visits to the Scripps Research Institute in La Jolla, California, where he worked with his wife, Ruthild Oswatitsch-Eigen, on related projects.^[21] In his later years, Eigen faced health challenges that limited his participation in scientific meetings after 2013, though he remained engaged by frequently visiting the institute and contributing to writings, such as co-authoring a book on the origins of life in 2013.^[5]^[8] Despite mobility issues in the 2010s, he continued to deliver occasional lectures and stayed involved in the scientific community.^[8] Eigen died on February 6, 2019, at his home in Göttingen, Germany, at the age of 91.^[3]^[18] Following his passing, the Max Planck Society paid tribute to him as a visionary pioneer whose foundational work in biophysical chemistry profoundly influenced generations of scientists and advanced fields like evolutionary biotechnology and single-molecule detection techniques.^[8]

Awards and honors

Nobel Prize in Chemistry

In 1967, Manfred Eigen was awarded the Nobel Prize in Chemistry, sharing the honor with Ronald George Wreyford Norrish and George Porter for their pioneering "studies of extremely fast chemical reactions, effected by disturbing the equilibrium by means of very short pulses of energy."^[2] Eigen received half of the prize, while the other half was jointly awarded to Norrish and Porter.^[1] His specific contribution centered on the development of relaxation methods, which allowed scientists to observe and measure transient intermediate states in chemical reactions occurring on timescales previously considered immeasurable, such as microseconds to milliseconds.^[1]^[21] The Nobel ceremony took place on December 10, 1967, in Stockholm, Sweden, where Eigen, Norrish, and Porter received their medals from King Gustav VI Adolf.^[22] The following day, on December 11, Eigen delivered his Nobel Lecture titled "Immeasurably Fast Reactions," in which he discussed the challenges and breakthroughs in studying rapid kinetics, emphasizing the technique's origins in early experiments with high-frequency sound waves and electrical pulses to perturb chemical equilibria.^[23] In the lecture, Eigen highlighted the interdisciplinary potential of these methods, noting their applications beyond chemistry to fields like physics and biology, where understanding molecular dynamics could illuminate processes in living systems.^[23]^[9] The award immediately elevated the status of chemical kinetics as a foundational discipline, enabling deeper insights into reaction mechanisms and fostering advancements in biochemistry, such as the study of enzyme functions.^[8] Eigen's relaxation techniques, recognized by the prize, resolved longstanding issues in measuring fast processes and spurred further research into transient states across scientific domains.^[21]^[5]

Other major awards

In addition to the Nobel Prize, which marked the pinnacle of his early recognition in chemical kinetics, Manfred Eigen received numerous prestigious honors throughout his career, reflecting his profound impact on biophysical chemistry and molecular evolution. These awards, spanning over two decades, underscore his innovative contributions to understanding self-organization in biological systems and rapid reaction dynamics.^[3] One of his earliest major accolades was the Nernst-Haber-Bodenstein Prize in 1956, awarded by the Deutsche Bunsengesellschaft für angewandte physikalische Chemie for his pioneering relaxation techniques in studying fast chemical reactions.^[3] This was followed by the Otto Hahn Prize for Chemistry and Physics in 1962 from the Max Planck Society, recognizing his foundational work in biophysical methods.^[3]^[15] In the United States, Eigen was honored with the John Gamble Kirkwood Medal from the American Chemical Society in 1963 for his theoretical and experimental advances in chemical thermodynamics and kinetics.^[3] The Harrison Howe Award from the ACS Rochester Section came in 1965, celebrating his development of methods to measure ultrafast reactions.^[3] Shortly thereafter, in 1967, he received the Linus Pauling Medal from the ACS Puget Sound and Portland Sections, jointly awarded for outstanding achievement in chemistry.^[3] Later in his career, Eigen's shift toward molecular evolution and self-organization earned him the Paul Ehrlich and Ludwig Darmstaedter Prize in 1992 from the Paul Ehrlich Foundation, specifically for his groundbreaking contributions to understanding biological evolution and its implications for virology and prebiotic chemistry.^[24]^[25] He also received the Helmholtz Medal in 1994 from the Berlin-Brandenburg Academy of Sciences and Humanities for lifetime achievements in biophysical research.^[26] Eigen amassed over 20 international prizes in total, including the Wilhelm Exner Medal in 2011 from the Österreichischer Gewerbeverein (Austrian Trade Association) for his interdisciplinary innovations in science and technology.^[15]^[26]^[27] These honors, along with 14 honorary doctorates from institutions such as Harvard University and the University of Chicago, highlight his enduring legacy across chemistry, physics, and biology.^[3]^[15]

References

[1]
Manfred Eigen – Facts - NobelPrize.org
Manfred Eigen introduced high-frequency sound waves as a way of bringing about rapid chemical reactions and processes.
[2]
The Nobel Prize in Chemistry 1967 - NobelPrize.org
The Nobel Prize in Chemistry 1967 was divided, one half awarded to Manfred Eigen, the other half jointly to Ronald George Wreyford Norrish and George Porter.
[3]
Manfred Eigen – Biographical - NobelPrize.org
Manfred Eigen was born in Bochum on 9 May 1927, the son of the chamber musician Ernst Eigen and his wife Hedwig, née Feld. He received his schooling at the ...
[4]
Manfred Eigen – versatile scientist and visionary mind - MPI
Manfred Eigen – versatile scientist and visionary mind. His visionary investigations of complex life processes with biological, physical, and chemical methods ...
[5]
Manfred Eigen: the realization of his vision of Biophysical Chemistry
Science or music? Manfred Eigen grew up in a musical family. Concerts and piano music were a characteristic part of his childhood. At pre-school age, he ...Missing: background | Show results with:background
[6]
Manfred Eigen (1927–2019) - Science
Apr 5, 2019 · Born in Bochum, Germany, to a cellist father, Manfred became a proficient pianist and seriously considered a musical career. World War II ...Missing: childhood family<|control11|><|separator|>
[7]
Manfred Eigen | Biography, Nobel Prize, & Facts | Britannica
Manfred Eigen (born May 9, 1927, Bochum, Germany—died February 6, 2019) was a German physicist who was corecipient, with Ronald George Wreyford Norrish and ...Missing: Rückershausen | Show results with:Rückershausen
[8]
Manfred Eigen - MPI - Max-Planck-Gesellschaft
Feb 7, 2019 · Manfred Eigen, Nobel Laureate in Chemistry and founder of the Max Planck Institute (MPI) for Biophysical Chemistry in Göttingen, died on February 6, 2019, at ...
[9]
[PDF] Manfred Eigen - Nobel Lecture
Today we know the relaxation spectra of many chemical reactions, but very few of them derive from sound absorption measurements. The sound absorption method is ...Missing: spectroscopic | Show results with:spectroscopic
[10]
9 sec. Application to neutralization and hydrolysis reactions
Methods for investigation of ionic reactions in aqueous solutions with half-times as short as 10–9 sec. Application to neutralization and hydrolysis reactions.
[11]
Selforganization of matter and the evolution of biological ...
Pörschke, D.: Diplom-thesis. Göttingen 1966. Pörschke, D.: Dissertation ... Manfred Eigen. Authors. Manfred Eigen. View author publications. Search author ...
[12]
Quasispecies as a matter of fact: Viruses and beyond - PMC
Eigen's treatment put together concepts of information theory and Darwinian evolution to propose a theory of the origin of life based on self-organization of ...
[13]
A principle of natural self-organization - The Science of Nature
### Summary of Key Equation for Hypercycle Model (Eigen and Schuster 1977)
[14]
Hypercycles and the origin of life - Semantic Scholar
The central problem discussed in a series of papers by Manfred Eigen and Peter Schuster proposing the 'hypercycle' as a necessary intermediate stage is that ...<|control11|><|separator|>
[15]
Manfred Eigen - MPI - Max-Planck-Gesellschaft
Manfred Eigen was one of the most versatile German scientists. He is best known, however, for his pioneering work on ultrafast chemical reactions.
[16]
Viral quasispecies - PMC - NIH
Viral quasispecies refers to a population structure that consists of extremely large numbers of variant genomes, termed mutant spectra, mutant swarms or ...
[17]
Manfred Eigen, 91, Nobel Winner Who Put a Clock to Chemicals, Dies
Feb 12, 2019 · As a teenager during World War II he served in the German Air Force auxiliary in an antiaircraft unit. After the war he made his way to the ...Missing: Rückershausen | Show results with:Rückershausen
[18]
Manfred Eigen, Nobel-winning chemist who clocked the speeds of ...
Feb 10, 2019 · World War II interrupted his formal education. At 15, he was pressed into service in an antiaircraft unit. Near the end of the war he was ...Missing: Rückershausen | Show results with:Rückershausen
[19]
https://www.washingtonpost.com/local/obituaries/manfred-eigen-nobel-winning-chemist-who-clocked-the-speeds-of-fast-reactions-dies-at-91/2019/02/10/d9c69136-2c21-11e9-984d-9b8fba003e81_story.html
[20]
Manfred Eigen (1927–2019) - Schuster - Wiley Online Library
May 24, 2019 · He began studying physics and chemistry at Göttingen University in the autumn of 1945, earned his doctorate at the age of 24 and then began ...Missing: education Eucken
[21]
50 years a Nobel Laureate - MPI - Max-Planck-Gesellschaft
On December 10, 1967, Manfred Eigen and his British colleagues Ronald Norrish and George Porter, received their Nobel Prizes from King Gustav VI Adolf of ...
[22]
Manfred Eigen – Nobel Lecture - NobelPrize.org
Tasked with a mission to manage Alfred Nobel's fortune and has ultimate responsibility for fulfilling the intentions of Nobel's will. The prize-awarding ...
[23]
[PDF] The Paul Ehrlich Foundation - Goethe-Universität Frankfurt
In awarding the Paul. Ehrlich and Ludwig Darmstaedter Prize, the. Foundation wishes to encourage scientists all over the world to do what Paul Ehrlich did.
[24]
Manfred Eigen, Max Planck, Gottingen, The Origin and Evolution of ...
Mar 23, 2011 · Manfred Eigen is ranked as one of the leading internationally renowned scientists studying the molecular mechanisms of biological evolution.
[25]
Academy of Europe: Eigen Manfred
### Awards and Honors for Manfred Eigen (Excluding Nobel Prize)