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Konstantin Konstantinovich Khrenov ((ロシア語:Константин Константинович Хренов); 13 February 1894 – 12 October 1984) was a Soviet engineer and inventor who in 1932 introduced underwater welding and cutting of metals.〔Institute of Welding (Welding and metal fabrication ), Vol. 13–14, IPC Scientific and Technology Press, 1945, p. 529〕〔Carl W. Hall (A biographical dictionary of people in engineering: from the earliest records until 2000 ), Vol. 1, Purdue University Press, 2008 ISBN 1-55753-459-4 p. 120〕 For this method, extensively used by the Soviet Navy during World War II, Khrenov was awarded the State Stalin Prize in 1946. ==Biography== Khrenov was born in 1894 in Borovsk, a town in Kaluga Oblast, Russia, located just south from its border with the Moscow Oblast. In 1918, he graduated from the department of electrochemistry of Saint Petersburg State Electrotechnical University (ETU). After graduation, he continued his research at ETU and worked there as a lecturer between 1921 and 1925. He then moved to Moscow and between 1928 and 1947 was teaching at the Moscow Institute of Electromechanical Engineering (Railway Transport); in 1933 he became a professor there. In parallel, between 1931 and 1947 Khrenov was teaching at the Bauman Moscow State Technical University – one of the oldest and largest Russian technical universities.〔〔 In the 1940s, Khrenov moved to Ukraine where he assumed professor positions at the following institutions:〔 *1945–48 – Institute of Electric Welding *1948–1952 – Institute of Structural Mechanics *1952–1963 – Institute of Electrical Engineering *1947–1958 – Kiev Polytechnic Institute *1963–till retirement – Institute of Electric Welding. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Konstantin Khrenov」の詳細全文を読む スポンサード リンク
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