Laser Specialist, Hildreth "Hal" Walker and Astronaut Buzz Aldrin were among seven distinguish space pioneers discussing the Apollo 11 lunar landing and human Mars missions. Hal was responsible for one of three Apollo 11 lunar experiments. His experiment involved bouncing a laser of a metallic panel to accurately measure the distance from the earth to the moon within 6 inches. The event was held at the California Science Center and sponsored by the American Institute of Aeronautics and Astronautics in conjunction with the 40th anniversary of man's first walk on the moon. Hal is the Chairman and Co-Founder of A-Man Science program in Inglewood, CA. Along with his wife Bettye they are providing students with experiences that prepare them to attend higher academic institutions and begin fulfilling the nation's leadership and technological needs.