Henry E. Holt was an American astronomer and prolific discoverer of minor planets and comets, who has worked as a planetary geologist at the United States Geological Survey and Northern Arizona University.
Career
In the 1960s he studied the photometric properties of the lunar surface as part of the Surveyor and Apollo programs. == Awards and honors ==
Awards and honors
The Mars-crossing asteroid 4435 Holt was named in his honor. == List of discovered minor planets ==