Arnold Thackray

Arnold Thackray (born 30 July 1939) is an emeritus professor at the University of Pennsylvania. Initially an English chemist, he became an entrepreneurial American. Thackray founded or extended a series of institutions, initially in Philadelphia (Penn’s pioneering Department of History and Sociology of Science, and the Chemical Heritage Foundation—now the Science History Institute), then on a wider scale within the History of Science Society (HSS) and through Science History Consultants, and the Life Sciences Foundation. Provided by Wikipedia