Manhattan Project Scientists

Early Berkeley Radiation Laboratory staff framed by the giant magnet of the 60-inch cyclotron in 1939.  Front row, left to right: John H. Lawrence, unknown, unknown, unknown, Ernest O. Lawrence, Donald Cooksey, Arthur H. Snell, Luis W. Alvarez, Philip H. Abelson.  Second row:  John Backus, Wilfred B. Mann, Paul C. Aebersold, Edwin M. McMillan, Ernest Lyman, Martin D. Kamen, D. C. Kalbfell, W. W. Salisbury.  Last row: Alex S. Langsdorf, Sam Simmons, Joseph G. Hamilton, David H. Sloan, J. Robert Oppenheimer, William Brobeck, Robert Cornog, Robert R. Wilson, Eugene Viez, and J. J. Livingood.