Harrison H. “Jack” Schmitt
- Ph.D., Geology, Harvard University, 1964.
- B.S., California Institute of Technology (Caltech), 1957.
Dr. Harrison Hagan “Jack” Schmitt is a geologist who worked as a scientist-astronaut with NASA from 1965 to 1975. He is noted as being the last of the Apollo astronauts to arrive and set foot on the Moon.