Paul Ginsparg is a professor of information science and physics. Among his many awards and honors, Ginsparg is a fellow of the MacArthur Foundation, the American Physical Society, the Alfred P. Sloane Foundation, and the Radcliffe Institute, and is a recipient of the Einstein Foundation Berlin Award and the Karl Taylor Compton Medal for Leadership in Physics. He is the founder of arXiv, the preeminent open-access, preprint repository. Ginsparg received an A.B. in physics from Harvard in 1977 and a Ph.D. in physics from Cornell in 1981. He joined the Cornell faculty in 2001.