Leonard Susskind

Leonard Susskind is an American physicist, non-fiction writer, and university teacher born in New York City on 16 June 1940. He works in the fields of physics, cosmology, and string theory, with notable contributions to string theory. His professional affiliations include Stanford University, Leiden University, Tel Aviv University, and Yeshiva University. He has also served as a director and holds membership in the National Academy of Sciences and the American Academy of Arts and Sciences.

Susskind was educated at City College of New York and Cornell University, where his doctoral advisor was Peter A. Carruthers. He is the doctoral advisor to Bharat Ratra. His published works include *What Are You Optimistic About?*, *Elektrodynamik und Relativität*, *Special Relativity and Classical Field theory*, *General Relativity*, *An Introduction to Black Holes*, and *Information and the String Theory Revolution*. He has received the Sakurai Prize, the Pomeranchuk Prize, and the ICTP Dirac Medal. He is an agnostic who speaks English.