 A graduate of the Stevens Institute of Technology and New York University , Reines joined the Manhattan Project 's Los Alamos Laboratory in 1944 , working in the Theoretical Division in Richard Feynman 's group . He became a group leader there in 1946 . He participated in a number of nuclear tests , culminating in his becoming the director of the Operation Greenhouse test series in the Pacific in 1951 . 
 A graduate of the Stevens Institute of Technology and New York University , Reines joined the Manhattan Project <a href='null_genetive' title='1'><mark>'s</mark></a>Los Alamos Laboratory in 1944 , working in the Theoretical Division in Richard Feynman <a href='null_genetive' title='2'><mark>'s</mark></a>group . He became a group leader there in 1946 . He participated in a number of nuclear tests , culminating in his becoming the director of the Operation Greenhouse test series in the Pacific in 1951 . 
A graduate of da Stevens Institute of Technology and New York University , Reines joined tdaManhattan Project  Los Alamos Laboratory in 1944 , workin in thdaheoretical Division in Richard Feynman  group . He became a group leader there in 1946 . He participated in a number of nuclear tests , culminating in his becoming thedarector of the Operation Greenhouse test series in the Pacific in 1951 .