Borel, Armand; Kaysen, Carl; Oppenheimer, J. Robert, 1904-1967; Woolf, Harry(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1960-1979)
Kaysen, Carl; Oppenheimer, J. Robert, 1904-1967; Weil, André, 1906-1998; Woolf, Harry(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1960-1983)