Abstract
1871: 27 July: Zermelo is born in Berlin as the second child and the only son of the Gymnasialprofessor Theodor Zermelo and his wife Auguste ne´e Zieger (p. 1).
1871: 27 July: Zermelo is born in Berlin as the second child and the only son of the Gymnasialprofessor Theodor Zermelo and his wife Auguste ne´e Zieger (p. 1).