William Hodson Brock (born 1936) is a British chemist and science historian.
His earned a Ph.D. for his biography of the chemist William Prout which was expanded into the book, From Protyle to Proton: William Prout and the Nature of Matter, 1785–1985 (1985).
Brock remained at Leicester until he retired in 1998 as Emeritus Professor of History of Science.
[1] Brock has written biographies of famous chemists such as Justus von Liebig, August Wilhelm von Hofmann and William Crookes.
[2] In 1995, Brock received the Dexter Award for Outstanding Achievement in the History of Chemistry from the American Chemical Society.