Watch List notes:

Kapitsa, Pyotr Leonidovich (1894-1984). Leading Soviet physicist, engineer, co-recipient of the Nobel Prize for Physics 1978; refused Stalin when asked to work on nuclear weapons development, outspoken advocate of free scientific thought, championed preservation of Lake Baikal, active member of the Pugwash movement. Document Signed "P K". Typed request for information, 8 ¼ x 5 ¾", on staff prepared scientific reports for an upcoming February, 1962 Physics-Mathematics Science Conference, dated in pen December 25, 1961. In a blue pen, Kapitza writes at left: "Com(rade) Borovik, please provide a list of possible reports" and signs below. Typed name of Lev A. Arzimovich, plasma physicist of the Academy of Science with his signature at lower right. Very Fine..

Estimate: $200 - $300