Asım Orhan Barut

Asım Orhan Barut (born June 6, 1926, in Malatya, Turkey, died December 5, 1994, in Boulder, Colorado) was a Turkish-American theoretical physicist. He received his undergraduate diploma and Ph.D. from the Swiss Federal Institute of Technology in Zurich in 1949 and 1952, respectively. He pursued postdoctoral studies at the University of Chicago from 1953 to 1954. Barut began his academic career as an assistant professor at Reed College (1954-55) before joining Syracuse University in 1956. In 1962, he became a professor of physics at the University of Colorado at Boulder, where he remained for 32 years. His research interests were primarily in group theoretic methods in physics, with notable works on the theory of the scattering matrix, electrodynamics, and classical theory of fields and particles. He was elected a fellow of the American Physical Society in 1966. Throughout his career, Barut authored and co-authored numerous influential books and journal articles in theoretical physics.