Luis Walter Alvarez
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Luis Walter Alvarez was an American experimental physicist, inventor, and professor who was awarded the Nobel Prize in Physics in 1968 for his discovery of resonance states in particle physics using the hydrogen bubble chamber. In 2007 the American Journal of Physics commented, "Luis Alvarez was one of the most brilliant and productive experimental physicists of the twentieth century."
Nobel Laureate Arthur Compton, left, with young graduate student Luis Alvarez at the University of Chicago in 1933
Receiving the Collier Trophy from President Harry Truman, White House, 1946
Luis Alvarez's Los Alamos badge
J. Robert Oppenheimer
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J. Robert Oppenheimer was an American theoretical physicist. He was director of the Manhattan Project's Los Alamos Laboratory during World War II and is often called the "father of the atomic bomb".
Heike Kamerlingh Onnes' 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 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.
Oppenheimer in 1946