Anna Matveevna came to this communal apartment in St. Petersburg in 1931, when she was 8 years old. Courtesy of European University, St. Petersburg, Russia,Colgate University and Cornell University hide caption

itoggle caption Courtesy of European University, St. Petersburg, Russia,Colgate University and Cornell University

In this photo taken in April 1972 and released by China's Xinhua News Agency, Zhuang Zedong, right, shakes hands with U.S. table tennis player Glenn Cowan during a visit to the U.S. Zhuang, a key figure in 1971's groundbreaking "pingpong diplomacy" between China and the U.S., died in Beijing on Sunday. He was 72. Xu Bihua/AP hide caption

itoggle caption Xu Bihua/AP