Karl Ziegler Morgan, was an American physicist who was one of the founders of the field of radiation health physics. He was director of health physics at Oak Ridge National Laboratory from the time in the Manhattan Project late 1940s until his retirement in 1972.
Karl Morgan in 1995
The Nevada National Security Sites, popularized as the Nevada Test Site (NTS) until 2010, is a reservation of the United States Department of Energy located in the southeastern portion of Nye County, Nevada, about 65 mi (105 km) northwest of the city of Las Vegas.
A November 1951 nuclear test at Nevada Test Site, Operation Buster–Jangle "Dog". It had a yield of 21 kilotons of TNT (88 TJ), and was the first U.S. nuclear field exercise conducted with live troops maneuvering on land. Troops shown are 6 mi (10 km) from the blast.
This handbill was distributed 16 days before the first nuclear device was detonated at the site.
Mushroom cloud seen from downtown Las Vegas.
Sedan crater