[2] Following his Ph.D., Watson joined the Harvard College Observatory, researching meteors, meteorites, and solar observation.
During World War II, Watson served in the Navy, where he worked on the Long Range Navigation (LORAN) system.
He was named Harvard's first Henry Lee Shattuck Professor of Education in 1966.
[2] Watson retired from Harvard in 1977, and served as director of Project City Sciences at New York University.
This program focused on training teachers and other professionals for work in inner-city schools.