Peter Kapitsa is one of the leading Soviet physicists.
He made the speech printed below at a meeting of the Presidium of the Academy of Sciences of the USSR on February 28 this year.
The article of Academician A. D. Sakharov to which he refers is a letter sent to L. Brezhnev and A. Kosygin in June 1968. This letter has been published by Andre Deutsch under the title Progress, Coexistence ancl Intellectual Freedom. A roneoed version is available through ALR on application. (20 cents plus postage 5 cents. Post free to ALR subscribers.)