The History of Science Society (HSS), founded in 1924, is the primary professional society for the academic study of the history of science. The society has over 3,000 members worldwide. It publishes the quarterly journal Isis and the yearly journal Osiris, sponsors the IsisCB: History of Science Index, and holds an annual conference.As of January 2024, the current president of the HSS is Evelynn M. Hammonds.