John Stachel (/ˈstætʃəl/; born 29 March 1928) is an American physicist and philosopher of science. Stachel earned his PhD at Stevens Institute of Technology in Physics about a topic in General relativity in 1958. After holding different teaching positions at Lehigh University and the University of Pittsburgh, he went 1964 to Boston University where he was professor of physics until his emeritation. In 1977, Stachel became the first editor of the Einstein Papers Project, then at Boston University. The first two volumes (out of a projected twenty-five) of The Collected Papers of Albert Einstein were published during his tenure. He is head of the Boston University Center for Einstein Studies and, together with Don Howard, publishes the book series Einstein Studies. Stachel also authored a text, entitled Einstein: From B to Z.