 Complete the following phrase:  Josef Breitenbach was born into a middle-class wine-merchant Jewish family, and came of age during the chaotic years of the First World War and its troubled aftermath. He attended technical high school from 191215 and trained as a salesman for an instrument firm and later as a bookkeeper for an insurance firm. He attended Ludwig-Maximillian University in Munich philosophy and art history, 1914 to 1917 and became active in the Youth Section and later the Pacifist wing of the Social Democratic Party. In 1918, he took part in the Soviet-inspired Bavarian coup détat, which was the first spark of the 