National Museum of Nuclear Science & History
Richard Pershing served in the Army at Los Alamos during the Manhattan Project.
C. W. Hicks worked for the Roane-Anderson Company.
Johnson worked at the 100-B Area at Hanford during the Manhattan Project.
Carl Helmholz (1915-2003) was an American physicist involved with the Manhattan Project. Helmholz was born on May 24, 1915 in Evanston, Illinois.