National Museum of Nuclear Science & History
Raymond Schwartz grew up in West Allis, WI. After graduating from high school, he worked as an apprentice machinist for Allis Chalmers Corporation, until enlisting in the Army in February 1943.
Robert Schaffer was an American chemist. Schaffer was born in Brooklyn, and studied at Brooklyn College.
Winona Schiepel was as a civilian contractor for various projects in the K-25 plant at Oak Ridge, Tennessee.