Total number of photos: 25442

Photos provided by Piene, Kay

Richard Courant
    • R. Courant
    • (1932)
 		Gustav Herglotz
    • G. Herglotz
    • (1932)
 		David Hilbert
    • D. Hilbert
    • (1932)
 		David Hilbert
    • D. Hilbert
    • (1932)
Edmund Landau
    • E. Landau
    • (1932)

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