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)