In August 1940, an obituary was placed in the Nieuw Israëlietisch Weekblad for Gerhard Polak. In a short In Memoriam in the same edition of the weekly, Gerhard Polak is mentioned as one of the first to join the Dutch League of Zionists. He was a manager of the NZB and he often performed as a speaker…
Gerhard is een zoon van Calmer Polak en Barta Roos. Hij trouwde 24 december 1906 met Betsie Kleerekoper (Tiel, 29 september 1877).
Bron SAA archiefkaart Gerhard Polak 9-4-1868