H. VanDerHorn

Ruth H. Anderson

Ruth H. Anderson was a staff member at Los Alamos during the Manhattan Project. Her husband, Ralph Larsen, worked at Los Alamos as a machinist.

Frank Fry

William J. Hawkins

William Hawkins worked for the Roane-Anderson Company.

James Chadwick

Sir James Chadwick (1891-1974) was an English physicist and winner of the 1935 Nobel Prize in Physics.