Steven Michael Kahn (born 1954) is an American physicist currently the Cassius Lamb Kirk Professor at Stanford University and formerly the I. I. Rabi Professor of Physics at Columbia University and is an Elected Fellow of the American Academy of Arts and Sciences and American Physical Society.Kahn graduated summa cum laude from Columbia College in 1975, and received a PhD in physics from University of California, Berkeley in 1980. He was a post-doctoral fellow at the Center for Astrophysics | Harvard & Smithsonian from 1980 to 1982. Source: Wikipedia (en)