Frank Friedman Oppenheimer was an American particle physicist, cattle rancher, professor of physics at the University of Colorado, and the founder of the Exploratorium in San Francisco.
Frank Oppenheimer INS
Oppenheimer (center) with part of a calutron at Berkeley (date unknown)
The home that once belonged to Frank Oppenheimer, on his 1,500-acre (610 ha) cattle ranch in the valley of the Rio Blanco in the mountains near Pagosa Springs, Colorado
Oppenheimer as Director of the Exploratorium standing next to the Coupled Pendulums exhibit c. 1980
J. Robert Oppenheimer was an American theoretical physicist who served as the director of the Manhattan Project's Los Alamos Laboratory during World War II. He is often called the "father of the atomi
Frank Oppenheimer
…professor of physics at the University of Colorado, and the founder of the Exploratorium in San Francisco. The younger brother of renowned physicist J. Robert Oppenheimer, Frank Oppenheimer conducted research on aspects of nuclear physics during the time of the Manhattan Project, and made contributions to uranium enrichment…
Oppenheimer in the Harvard University yearbook, 1926
Heike Kamerlingh Onnes's Laboratory in Leiden, Netherlands, July 1927. Oppenheimer is in the middle row, second from the left.
University of California Radiation Laboratory staff, including Robert R. Wilson and Nobel prize winners Ernest Lawrence, Edwin McMillan, and Luis Walter Alvarez, on the magnet yoke for the 60-inch (152 cm) cyclotron, 1938. Oppenheimer is the tall figure holding a pipe in the top row, just right of center.