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Johann Böhm (January 20, 1895 – November 27, 1952) was a German Bohemian chemist who focused on photochemistry and radiography. The aluminum-containing mineral ''boehmite'' (or ''böhmite'') was named after him.〔( Wiley Online Library ) 〕 Böhm studied at the German Polytechnic University in Prague and then worked with Fritz Haber in Berlin where he re-designed and considerably improved the Weissenberg x-ray goniometer.〔Johannes Böhm, '' Das Weissenbergsche Röntgengoniometer. '' In: ''Zeitschrift für Physik'' 39 (1926) pp. 557–561. (Martin J. Buerger (MIT): ) ''Karl Weissenberg and the development of X-ray crystallography, '' part 4: ''Further Developments of Weissenberg’s Method.'' (PDF)〕 In 1926 George de Hevesy, then a professor at the University of Freiburg, invited Böhm to co-operate with him on a series of experiments in spectrographic analysis. Afterwards Böhm worked at Freiburg University as an assistant and later as an associate professor.〔( L. Dobiášová: )''Structure of microworld - the world seen by invisible rays . Struktura mikrosvěta – Svět viděný nedviditelnými paprsky. '' Abstract. In: ''Materials Structure'', vol. 7, No. 1 (2000)], p. 29 (University calendar ) of Freiburg University, summer term 1935〕 From October 1935〔 he was a professor of physical chemistry at the German University in Prague. After the war Böhm was allowed to remain in the country and become again a citizen of Czechoslovakia because he had been active in the anti-Nazi movement supporting Czech scientists such as Jaroslav Heyrovský, but was not permitted to continue his academic career. He worked in an industrial research institute in Rybitví (''Výzkumný ústav organických syntéz'').〔( Web of Science v České republice )〕 A few days before his death he was appointed Corresponding Member of the Czechoslovak Academy of Sciences. He died in Prague on November 27, 1952. ==References== 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「Johann Böhm」の詳細全文を読む スポンサード リンク
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