John L. Heilbron

John Lewis Heilbron (March 17, 1934 – November 5, 2023) was an American historian of science best known for his work in the history of physics and the history of astronomy. He was Professor of History and Vice-Chancellor Emeritus (Vice-Chancellor 1990–1994) at the University of California, Berkeley, senior research fellow at Worcester College, Oxford, and visiting professor at Yale University and the California Institute of Technology. He edited the academic journal Historical Studies in the Physical and Biological Sciences for twenty-five years.