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MOSCOW, RUSSIA - JUNE: (R-L) S Romanovsky, Simone de Beauvoir, Jean-Paul Sartre and Vyacheslav Kochemasov in June, 1962 in Moscow, Russia. (Photo by Keystone-France/Gamma-Rapho via Getty Images)

MOSCOW, RUSSIA - JUNE: (R-L) S Romanovsky, Simone de Beauvoir, Jean-Paul Sartre and Vyacheslav Kochemasov in June, 1962 in Moscow, Russia. (Photo by Keystone-France/Gamma-Rapho via Getty Images)