Arnold Thackray

Arnold Thackray (born 30 July 1939) is an emeritus professor at the University of Pennsylvania. He has held academic positions at institutions, including a visiting fellowship at All Souls College, Oxford, and a fellowship at Churchill College, Cambridge. He has also taught at the London School of Economics, Harvard University, the Institute for Advanced Study, the Center for Advanced Study in the Behavioral Sciences at Stanford, and the Hebrew University of Jerusalem.

He was the founding chair of the Department of History and Sociology of Science and now holds the title of Joseph Priestley Professor Emeritus.

Thackray was the founding director of the institution originally established as the Chemical Heritage Foundation, now known as the Science History Institute.