Frank, Ilya M.

Nice calligraphed collector's card signed by the USSR physicist, 1958 Nobel laureate

Price: $95.00

Description:
(1908-1990) St. Petersburg-born USSR physicist, jointly awarded the 1958 Nobel Prize in Physics with Pavel A. Cherenkov and Igor Y. Tamm for his work in explaining the phenomenon of Cherenkov radiation. He received the Stalin Prize in 1946 & 1953 and the USSR State Prize in 1971. He studied mathematics and theoretical physics at Moscow state University. From his 2nd year he worked in the laboratory of Sergei I. Vavilov, whom he regarded as his mentor. After graduating in 1930, on Vavilov's recommendation, he began work at the State Optical Institute in Leningrad. In 1934, he moved to the Institute of Physics and Mathematics of the USSR Academy of Sciences (shortly to be moved to Moscow, becoming the Institute of Physics). Here he started working on nuclear physics. He became interested in the effect discovered by Pavel Cherenkov, that charged particles moving through water at high speeds emit light. With Igor Tamm, he developed a theoretical explanation: the effect occurs when charged particles travel through an optically transparent medium at speeds greater than the speed of light in that medium, causing a shock wave in the electromagnetic field. The amount of energy radiated in this process is given by the Frank-Tamm formula. The discovery and explanation of the effect resulted in the development of new methods for detecting and measuring the velocity of high-speed nuclear particles and became of great importance for research in nuclear physics. Cherenkov radiation is also widely used in biomedical research for detection of radioactive isotopes. In 1946, Cherenkov, Vavilov, Tamm, and Frank were awarded a Stalin Prize for their discovery, and in 1958 Cherenkov, Tamm, and Frank received the Nobel Prize in physics. In 1944, Frank was appointed professor and became head of a department at the Institute of Physics and of the Nuclear Physics Laboratory (ater transferred to the Institute of Nuclear Research). Frank's laboratory was involved in the (then secret) study of nuclear reactors. In particular, they studied the diffusion and thermalization of neutrons. In 1957, Frank also become director of the Laboratory of Neutron Physics at the Joint Institute for Nuclear Research. The laboratory was based on the neutron fast-pulse reactor (IBR) then under construction at the site. Under Frank's supervision the reactor was used in the development of neutron spectroscopy. Lovely 3 1/2 x 5 1/2 calligraphed card with Frank's name & title at top, USSR Joint Institute for Nuclear Research penned with year 1980 at bottom, signed by Frank in center.

Condition: Very good
Type:Signed Card






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