National Museum of Nuclear Science & History
Charles Crichfield worked as an elctrician in Oak Ridge, Tennessee from 1943 to September 1945. Crichfield's brother Paul and father P.
Victor Kumin was born on August 2, 1921 in Worcester, Massachusetts. He was the third child of Samuel Kumin and Clara Montwid, who had both come to the United States from Latvia as young children with their families.