Alfred Worden was an American astronaut and engineer, best known for his role as the command module pilot for the Apollo 15 mission in 1971. Born on February 7, 1932, in Jackson, Michigan, he served in the U.S. Air Force before joining NASA. During the Apollo 15 mission, Worden orbited the Moon while his crewmates explored its surface, making significant contributions to lunar science. In addition to his work with NASA, Worden was an advocate for space exploration and education. He authored several books, including "Hello Earth: Greetings from Space," which shares his experiences in space. Worden passed away on March 18, 2021, leaving a legacy in the field of space exploration.