Chess world candidates tournament, Amsterdam 1956. Left to right: Miroslav Filip, Vasily Smyslov, Paul Keres, Herman Pilnik, David Bronstein, Efim Geller, Boris Spassky, Tigran Petrosian, Oscar Panno, László Szabo.
Herbert Behrens (ANEFO)
Cropped from <a rel="nofollow" class="external text" href="http://proxy.handle.net/10648/a9450c5c-d0b4-102d-bcf8-003048976d84">GaHetNa (Nationaal Archief NL)</a>