Nikolay Devyatkov

Nikolay Dmitrievich Devyatkov (1907 to 2001) was a Soviet and Russian scientist and inventor of microwave vacuum tubes and medical equipment. A Full Member of the USSR and Russian Academy of Sciences from 1968, having been a Corresponding Member from 1953, he was also a professor at the Moscow Institute of Physics and Technology. Most of his scientific papers concerned microwave vacuum tubes, and he co-invented the reflex klystron in 1939 with E. Daniltsev. He worked for 54 years at the enterprise Istok in Fryazino, the head Soviet enterprise of microwave electronics, including 39 years as Deputy Director for Science, and edited the journals Electronic Engineering and Radio Engineering and Electronics. He and his colleagues founded Soviet and Russian medical electronics, developing millimeter wave therapy, microwave thermotherapy of tumours and gastrointestinal pH probes. His honours included the Stalin Prize, the Lenin Prize and the title Hero of Socialist Labour.