Hilde Hochwald
Hilde Alexander-Katz (née Hochwald) was born on 12.12.1907 in Berlin and died in 1992 in Haifa. She began her career as a kindergarten teacher of infants born outside marriage. After graduating from the Social Women's School in Berlin Schöneberg in 1929, she worked in a Jewish orphanage, in a 'Kinderlandheim' and in the Jewish Child Welfare Office and held various leading positions as a kindergarten teacher and in the Jewish Welfare School. She also worked in an institution for Jewish girls founded by Bertha Pappenheim, the leader of the Jewish women’s movement.
Dr. Emmy Wolff
Emmy Wolff was born on 25 December 1890 in Bernburg an der Saale as the eldest of three children in a Jewish middle-class family. She attended a secondary school and a girls' boarding school before completing her education at the Hochschule für Frauen in Leipzig from 1915 to 1918. She continued her academic career in Munich and Frankfurt am Main. Wolff obtained a diploma for social and administrative officers in 1922 and completed her doctorate at the University of Frankfurt in 1924 with the topic: "A Girls' Club and the Circle of Origin of its Members".
Gertrud Blank
Gertrud ("Trude") Sara Blank was born on 15.2.1892 in Hannover Germany and died in 1981 in Tel Aviv. She was the daughter of Sophie and Ely Blank, a merchant and manufacturer. Gertrud grew up with her aunt Emilie Levy, who probably died in 1911. One of her many siblings was Paula Blank, with whom she later lived in Tel Aviv.