<P> Fifteen referees participated in the tournament: four Europeans--two Belgians (Henri Christophe and John Langenus), a Frenchman, and a Romanian (Constantin Rădulescu, also the Romanian team coach), and eleven from the Americas--among them six Uruguayans . In order to eliminate differences in the application of the Laws of the Game, the referees were invited to one short meeting to iron out the most conflicting issues arising from the game . </P> <P> Of all the refereeing appointments, the two that attracted most attention were that of Gilberto de Almeida Rêgo in the match between Argentina and France, in which the Brazilian referee blew for full - time six minutes early, and that of the Bolivian Ulises Saucedo's in the Argentina and Mexico encounter, which Argentina won 6--3 . During the game Saucedo, who was also the coach of Bolivia, awarded three penalties . </P> <P> The following is the list of officials to serve as referees and linesmen . Officials in italics were only employed as linesmen during the tournament . </P> <Table> <Tr> <Td> <Dl> <Dt> Europe </Dt> </Dl> <Ul> <Li> Thomas Balvay </Li> <Li> Henri Christophe </Li> <Li> Jan Langenus </Li> <Li> Constantin Rădulescu </Li> </Ul> <Dl> <Dt> North America </Dt> </Dl> <Ul> <Li> Gaspar Vallejo </Li> </Ul> </Td> <Td> <Dl> <Dt> South America </Dt> </Dl> <Ul> <Li> Gualberto Alonso </Li> <Li> Martin Aphesteguy </Li> <Li> Domingo Lombardi </Li> <Li> José Macías </Li> <Li> Francisco Mateucci </Li> <Li> Almeida Rêgo </Li> </Ul> </Td> <Td> <Ul> <Li> Ulises Saucedo </Li> <Li> Anibal Tejada </Li> <Li> Ricardo Vallarino </Li> <Li> Alberto Warnken </Li> </Ul> </Td> </Tr> </Table>

Who scored the first goal in the world cup