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1934 Died Heinrich Braun, German surgeon (Rawitsch, Poland, January 1, 1862 - Uberlingen, April 26, 1934). He studied medicine at the universities of Strasbourg, Greifswald and Leipzig between 1881 and 1887, when he obtained his doctorate. From 1891 to 1905 he worked in various non-university hospitals in Leipzig. He lectured on general and local anesthesia as a private assistant professor. In 1905 he was appointed associate professor at the Medical Faculty of the University of Leipzig. He left Leipzig in 1906 and became chief surgeon and medical director of the Royal Saxon Hospital in Zwickau. He worked in this position until his retirement in 1928. Braun's contributions to the development of anesthesiology are numerous: in 1901 he designed a mixed-gas anesthesia apparatus and reported experiences with combined inhalation anesthesia with ether and chloroform; in 1903, on the basis of experimental tests, he recommended the addition of adrenaline as a vasoconstrictor to local anesthetics; in 1905, the first edition of his manual Local Anesthesia - Scientific Basis and Medical Practice appeared. Brown significantly expanded the general practice of local and regional anesthesia. Well-known representatives of his school are Läwen, Peuckert, Kulenkampff, Härtel and Kappis. In Zwickau he dealt extensively with the problems of the organization and construction of hospitals.