Yuri Yarim-Agaev was already a distinguished physicist when, in the 1970s, he joined the Moscow Helsinki Group, the dissident organization set up to monitor Soviet compliance with the human rights provisions of the Helsinki Accords. Fellow members of the organization included physicist Yuri Orlov and Yelena Bonner, wife of Andrei Sakharov. Yarim-Agaev, now a financial analyst in New York, devotes much of his time to ensuring that the evils of Soviet communism are never forgotten.

In 1911, China rejected feudalism to enter the modern era. A new Hoover exhibit on a century of change. By Hsiao-ting Lin and Lisa Nguyen.