Koos VorrinkActing · 1891–1955ShareJacobus Jan (Koos) Vorrink (Vlaardingen, June 7, 1891 – Amsterdam, July 19, 1955) was a Dutch politician. He was chairman of the Arbeiders Jeugd Centrale (AJC), the SDAP, and the Partij van de Arbeid (PvdA).
