德韶尔.ppt

? Friedrich Dessauer was an important physicist, a philosopher, a socially engaged entrepreneur and a journalist. ? Friedrich Dessauer was born in Aschaffenburg , Germany . As a young man he was fascinated by new discoveries in the natural sciences . ? He was particularly interested in the X-rays discovered by R? ntgen and their medical applications . ? Dessauer studied at the Goethe university in Frankfurt am Main where his design of high-energy X-ray power supplies earned him a doctorate in 1917 . 1、生平? As an inventor and entrepreneur Dessauer developed techniques for deep-ration X-ray therapy in which weak rays are aimed from different angles to intersect at a point inside the body where bined energy can be lethal to a tumor while having less of an effect on the surrounding tissues. ? He dedicated most of his life to the study of radioactivity. ? Interested in politics, Dessauer registered as a member of the Catholic Central Party in the year 1918. ? As an intellectual businessman arguing catholic and social policies, he gained prestige in a party to which everyone was e. ? In 1923 he started the Rhain -Main Public Gazette , in which he published articles on economy under the umbrella of the Carolus Publishing House. ? He was elected a deputy to Reichstag (德国国会) in 1924 and served there as the representative of the left wing . Due to various accusations by the National Socialists , he was under political arrest for 104 days. ? He was articulate in defending himself in court and was released. ? Late one February 1934 night, he was assaulted in his home; the door and windows of his house were broken. ? He was informed that an investigation on him would be carried out because, although he was a practicing Catholic , his roots went back to Judaism .? He was banned from issuing publications and declared persona non-grata by the Union of Nazi Professors. ? It is supposed that while Dessau