National Museum of Nuclear Science & History
Leonard Cheshire was born on September 7, 1917 in Chester, England. During World War II, he served in the Royal Air Force.
John H. Witherell served in the 320th Troop Carrier Squadron.
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
Edith Levin worked for the United States Engineer District Office.