Adolf (Aaron Moses) Pollak Ritter von Rudin was born on May 15, 1817 in Wscheraditz (Všeradice) in Böhmen.  Working as a commercial clerk in Vienna from 1834, he 1836  was already the owner of a small sealing wax production business. Around 1840, Adolf Moses Pollak and Johann Preshel founded a zipper factory in Vienna. They went their separate ways in 1846. In addition to the Vienna factory, A. M.

Maximillian (Max) Elb (1851 - 1925) was one of Saxony's outstanding Jewish entrepreneurs in the first half of the 20th century. He became known above all for his chemical production - including „Caramba“. At the same time, he held prominent positions in Jewish community life (1902 to 1923 one of the three community leaders). Max Elb died on April 5, 1925.

Exact location unknown, mentioned in the CV calendar 1938/39

mentioned in the CV calendar 1938/39

mentioned in the CV calendar 1938/39

Adult education, mentioned in the CV calendar 1938/39

From 1936 to 1941, young people were prepared for their emigration to the British Mandate of Palestine and a life in a kibbutz at the Ahrensdorf Landwerk.