National Museum of Nuclear Science & History
John Roberts was a staff worker at Los Alamos during the Manhattan Project.
Ralph B. Larsen was a machinist at Los Alamos during the Manhattan Project. His wife, Ruth Anderson, also worked at Los Alamos.
Dr. Dieter M. Gruen is an internationally known German-American chemist, inventor, and innovator. Born in Waldorf, Germany in 1922, Dr.
