John Stachel (/ˈstætʃəl/; born March 29, 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.
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.