Marvin L. Cohen is a Canadian-born American physicist. He is a professor of condensed matter physics and materials science at the University of California, Berkeley. He was born on March 3, 1935 in Montreal, Canada. Cohen received his PhD from the University of Chicago in 1964, under Professor Jim Phillips. He has received the Oliver E. Buckley Prize in 1979, the Julius Edgar Lilienfeld Prize in 1994, the National Medal of Science in 2001, and the Dickson Prize in Science in 2011. Cohen has contributed more than 775 technical publications. He is a Fellow of the American Physical Society, a member of the National Academy of Sciences, the American Academy of Arts and Sciences, the American Philosophical Society, and a Fellow of the American Association for the Advancement of Science. In 2005, Cohen was President of the American Physical Society (APS), an organization representing more than 47,000 physicists in universities, industry and national laboratories.