when did he begin his career?
1965
Joseph P. Allen
 He was a staff physicist at the Nuclear Structure Laboratory at Yale University in 1965 and 1966, and during the period 1963 to 1967, served as a guest researcher at Brookhaven National Laboratory.
what is apollo 15? It was the ninth crewed mission in the United States' Apollo program and the fourth to land on the Moon. when did the mission take place? 1971 who were the crew members? Joseph P. Allen, Robert A. Parker and Karl G. Henize can you tell me about their spacecraft? Apollo 15  used command and service module CSM-112, which was given the call sign "Endeavour", named after HMS "Endeavour", and lunar module LM-10, call sign "Falcon", named after the United States Air Force Academy mascot. can you tell me about the political pressure they faced in the program mentioned about ? UNANSWERABLE what is manned spacecraft center  ? A new NASA center, the Manned Spacecraft Center (MSC) to manage crewed space program from NASA's Langley Research Center can you tell me more about the aforesaid first crew member ? He is  a former NASA astronaut. He logged more than 3,000 hours flying time in jet aircraft.
wiki:7436045
Joseph P. Allen [SEP] Early life and education
Allen was born in Crawfordsville, Indiana, on June 27, 1937. His parents, Mr. and Mrs. Joseph P. Allen III, had resided in Frankfort, Indiana. He attended Mills School, and is a graduate of Crawfordsville High School in Indiana, Class of 1955; received a Bachelor of Arts degree in Mathematics and Physics from DePauw University in 1959, where he was a member of The Delta Chapter of Beta Theta Pi, and a Master of Science and a Doctor of Philosophy degrees in Physics from Yale University in 1961 and 1965, respectively. Allen was a research associate in the Nuclear Physics Laboratory at the University of Washington prior to his selection as an astronaut.