John Wlodarski

Anne M. Perley

Anne MacGregor Perley was a biochemist who worked on the Manhattan Project at Los Alamos. She was part of Louis Hempelmann’s Health Group, one of his many recruits from Washington University in St.

Margaret Schelberg

Margaret Schelberg was a nurse at Los Alamos during the Manhattan Project. She was married to physicist Arthur Schelberg.

H. Pfutzenreuter

John M. Wickersham

John Wickersham was a military policeman and guard at Los Alamos during the Manhattan Project. His duties included patrolling the perimeter of the site on horseback.