is the author of The Modern Moon - A Personal View and of The Lunar 100 Card, and coauthor of Volcanoes of North America and Astronaut's Guide to Terrestrial Impact Craters. He writes the monthly Exploring the Moon column in Sky and Telescope and created the following web sites:



Although he has been a NASA civil servant, Chuck still observes with a 5" Mak-Newt and admires the wonderful work done by members of GLR.