List of Famous people named Harold

Harold Edgar Clurman was an American theatre director and drama critic, "one of the most influential in the United States". He was most notable as one of the three founders of New York City's Group Theatre (1931–1941). He directed more than 40 plays in his career and, during the 1950s, was nominated for a Tony Award as director for several productions. In addition to his directing career, he was drama critic for The New Republic (1948–52) and The Nation (1953–1980), helping shape American theater by writing about it. Clurman wrote seven books about the theatre, including his memoir The Fervent Years: The Group Theatre and the Thirties (1961).

Harold P. Boas is an American mathematician.

Harold Horace Hopkins FRS was a British physicist. His Wave Theory of Aberrations,, is central to all modern optical design and provides the mathematical analysis which enables the use of computers to create the wealth of high quality lenses available today. In addition to his theoretical work, his many inventions are in daily use throughout the world. These include zoom lenses, coherent fibre-optics and more recently the rod-lens endoscopes which 'opened the door' to modern key-hole surgery. He was the recipient of many of the world's most prestigious awards and was twice nominated for a Nobel Prize. His citation on receiving the Rumford Medal from the Royal Society in 1984 stated: "In recognition of his many contributions to the theory and design of optical instruments, especially of a wide variety of important new medical instruments which have made a major contribution to clinical diagnosis and surgery."