Conference programmes on the history of science, collected by Derek Thomas Whiteside Seminar and conference programmes for events in the history of science and mathematics, often held the University of Cambridge and annotated by D T Whiteside. With some exhibition material and a curriculum vitae for D T Whiteside. Derek Thomas 'Tom' Whiteside FBA (1932-2008), British historian of mathematics and authority on Isaac Newton. Adolf Prag (1906-2004) mathematics master and Librarian at Westminster School. Proofreader and commentator on Whiteside's editions of Isaac Newton. 1960-1987