Bruce William Hapke (born February 17, 1931) is a noted American planetary scientist, currently a professor emeritus at the University of Pittsburgh[1] and a specialist in bidirectional reflectance spectroscopy.
In 1967, he became a professor in the Department of Geology and Planetary Science at the University of Pittsburgh.
In the course of his long and distinguished career, Hapke has taken part in Mariner 10, Viking and Apollo missions.
[3] He is a past chairman of the Division for Planetary Sciences of the American Astronomical Society.
[4] Dr. Hapke is currently a professor emeritus at the University of Pittsburgh.