Martin Karplus

Martin Karplus
Name	Martin Karplus
Caption	Karplus in 2015
Birth date	15 March 1930
Birth place	Vienna, Austria
Nationality	American
Fields	Theoretical chemistry, Biophysics
Workplaces	Harvard University, University of Strasbourg, Columbia University
Alma mater	Harvard University (BA), California Institute of Technology (PhD)
Doctoral advisor	Linus Pauling
Known for	Molecular dynamics simulations, Karplus equation, NMR spectroscopy
Prizes	Nobel Prize in Chemistry (2013), ACS Award in Theoretical Chemistry (1995)

Martin Karplus is a pioneering Austrian-born American theoretical chemist whose groundbreaking work in molecular dynamics simulations transformed the study of chemical reactions and biomolecules. He is best known for developing the Karplus equation, which relates NMR spectroscopy coupling constants to molecular dihedral angles, and for pioneering the application of multiscale modeling to complex biological systems. His career has been primarily affiliated with Harvard University and the University of Strasbourg, and he was awarded the Nobel Prize in Chemistry in 2013.

Early life and education

Born in Vienna, he fled the Nazi Anschluss with his family in 1938, eventually immigrating to the United States. He pursued his undergraduate studies at Harvard University, earning a Bachelor of Arts in 1950. For his doctoral work, he moved to the California Institute of Technology, where he studied under the renowned chemist Linus Pauling, completing his PhD in 1953. His early postdoctoral research was conducted at the University of Oxford and later at the University of Illinois Urbana-Champaign, solidifying his foundation in quantum mechanics and theoretical chemistry.

Academic career and research

Karplus began his independent academic career at the University of Illinois Urbana-Champaign before joining Columbia University in 1960. In 1966, he moved to Harvard University, where he became the Theodore William Richards Professor of Chemistry, a position he held for decades. Concurrently, he maintained a long-term association with the University of Strasbourg in France as a director of research. His research group made seminal contributions to theoretical chemistry, particularly in developing computer simulation methods to study the dynamics and spectroscopy of molecules, bridging quantum chemistry and classical mechanics.

Development of multiscale models for complex chemical systems

A central achievement was his pioneering work on multiscale modeling for complex systems, notably through the development of the CHARMM (Chemistry at HARvard Macromolecular Mechanics) program. This molecular dynamics software, created with collaborators like Arieh Warshel, became a cornerstone for simulating proteins, nucleic acids, and other biological macromolecules. His methods elegantly combined quantum mechanics to model chemical bond breaking/forming with classical mechanics for simulating large molecular environments, enabling the study of enzyme catalysis and biomolecular function in unprecedented detail.

Nobel Prize in Chemistry

In 2013, he was jointly awarded the Nobel Prize in Chemistry with Michael Levitt and Arieh Warshel "for the development of multiscale models for complex chemical systems." The Royal Swedish Academy of Sciences cited their work in creating powerful computer models that mirror real-life chemistry, unifying Newtonian physics and quantum physics. This award recognized decades of foundational research that transformed computational chemistry and structural biology, providing essential tools for pharmaceutical research and materials science.

Awards and honors

Beyond the Nobel Prize, his distinguished honors include the ACS Award in Theoretical Chemistry from the American Chemical Society in 1995 and the Linnaeus Prize from Uppsala University. He is a member of the United States National Academy of Sciences, the International Academy of Quantum Molecular Science, and a foreign member of the Royal Society. He has also received honorary doctorates from institutions such as the University of Zurich and the Weizmann Institute of Science.

Personal life

He is married to Marlene Karplus, a noted scientist in her own right. An avid photographer, his work has been exhibited in galleries, including a notable series on China. He maintains deep connections to both the United States and Europe, splitting his time between Cambridge, Massachusetts and Strasbourg, continuing his research and mentorship.

Category:American theoretical chemists Category:Nobel laureates in Chemistry Category:Harvard University faculty Category:University of Strasbourg faculty