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He worked from 1930 to 1938 as chief draftsman at Friedlander , a Hamburg printing company ,where he specialized on circus posters. During the 2nd World War II he served as a soldier in Poland and Russia. From the 1950s, he was one of the most sought after animal and nature's book illustrators. His realistic watercolors are in many books on biology but also on the covers of publications of Berlin Zoo. These are from 1961.