National Museum of Nuclear Science & History
Dr. Dieter M. Gruen is an internationally known German-American chemist, inventor, and innovator. Born in Waldorf, Germany in 1922, Dr.
John Mihalkanin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. C. Crye worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Royster was a civilian physicist working at the X-10 graphite reactor in Oak Ridge, Tennessee.
