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National Museum of Nuclear Science & History

Related Profiles

Warren Sheehan

Chicago, IL

Warren Sheehan joined Mound Laboratory in April 1956. He spent the first half of his career in health physics, or radiation safety, where he developed a new methodology for determining the amount of plutonium in urine.

Mendel Maskewitz

Y-12 Plant

Maskewitz worked with calutrons at the Y-12 plant at Oak Ridge during the Manhattan Project.

J. A. Gregas

Hanford, WA

A. W. Kelley

Hanford, WA