John Langenus (born 9 December 1891, Antwerp, Belgium; died 1 October 1952 Antwerp) was a Belgian football referee, who officiated for FIFA in three World Cup competitions, including the first ever Final match in 1930.
Author: DHM Berlin
Source: Weidenfild and Nicolson. The Orion Publishing Group. Book: «100 years of football. The FIFA contennial book» ISBN - 0-297-84386-9