Buzz Aldrin because of a lawsuit brought by atheist activist Madalyn Murray O'Hair over the reading of Genesis on Apollo 8. Mindful of this controversy, NASA management had warned the Apollo 11 crew against making any explicit religious comments during the flight. Aldrin used a home communion kit given to him by his pastor at Webster Presbyterian Church, Dean Woodruff. He later noted: "It was interesting to think that the very first liquid ever poured on the Moon, and the first food eaten there, were communion elements." On reflection, Aldrin felt that "if I had it to do over again, I would
Buzz Aldrin classroom work, and soon decided to pursue a doctorate instead. In January 1963, he earned a Sc.D. degree in astronautics. His doctoral thesis was "Line-of-Sight Guidance Techniques for Manned Orbital Rendezvous", the dedication of which read, "In the hopes that this work may in some way contribute to their exploration of space, this is dedicated to the crew members of this country's present and future manned space programs. If only I could join them in their exciting endeavors!" Aldrin chose his doctoral thesis in the hope that it would help him be selected as an astronaut, although it meant foregoing