Donald MacMillan

ScientistLos Alamos, NM

Manhattan Project VeteranScientist

Donald MacMillan arrived in Los Alamos on May 14, 1944. He was an avid figure skater, and worked for Los Alamos National Laboratory for many years. He was named a “Living Treasure of Los Alamos.” He passed away in 2012.

Related Profiles

Frank W. Hooten

Oak Ridge, TN

Frank Hooten worked for the Edenfield Electric Company.

R. L. Helgeson

Research & Development/300 Area

Helgeson worked at the 300 Area at Hanford during the Manhattan Project.

Ralph E. Magnuson Jr.

X-10 Graphite Reactor

Attended Michigan Technological University.

H. L. Ray

K-25 Plant

H. L. Ray worked for the Kellex Corporation at the K-25 Plant.