Arthur L. Allen

AnalystK-25 Plant

Oak Ridge, TN

Manhattan Project VeteranMilitary VeteranProject Worker/StaffSpecial Engineer Detachment

Attended the South Dakota School of Mines and Technology.

Related Profiles

Lloyd D. Ethington

K-25 Plant

Attended Iowa State University.

Seymour Calvert

Los Alamos, NM

Seymour Calvert served for 11 months in the Special Engineering Detachment at Los Alamos. He specialized as a chemical engineer, and carried out experiments with beryllium that were often dangerous.

Orin R. Barrett

Tinian Island

Orin R. Barrett served in the 393rd Bombardment Squadron.

Charles E. Cook

Los Alamos, NM