Tag: Laser Ranging Retroflector
Laser Scientist Prof. Hildreth (Hal) Walker, Jr. & Dr. Bettye Walker...
Laser Scientist Prof. Hildreth (Hal) Walker, Jr. & Dr. Bettye Walker will be the featured guest speaker at Santa Monica College’s New Student Services...
A Conversation with Rocket Scientist Prof. Hal Walker the First Man...
Black History Month Salute to Rocket Scientist Prof. Hal Walker the First Man who Successfully fired the Laser to the Moon: Apollo 11 Moon Landing...