<Tr> <Th> </Th> <Td_colspan="3"> 23 October 2001 (2001 - 10 - 23) (aged 86) Ilford, London, England </Td> </Tr> <Tr> <Th> Other occupation </Th> <Td_colspan="3"> School teacher, soldier, judge, referee </Td> </Tr> <P> Kenneth George Aston, MBE (1 September 1915--23 October 2001) was an English teacher, soldier, and football referee, who was responsible for many important developments in football refereeing - including the yellow and red card system . </P> <P> Born in Colchester, Essex, he graduated from St Luke's College, Exeter (in which George Reader had been taught just after the First World War, and which Sir Stanley Rous had also attended). He qualified as a referee in 1936, working his way through the leagues becoming a Football League linesman in the 1949 - 50 season, and becoming a League referee . In the Second World War he was rejected by the Royal Air Force because of an injured ankle, and subsequently joined the Royal Artillery before transferring to the British Indian Army, where he finished the war with the rank of lieutenant - colonel and served on the Changi War Crimes Tribunal . </P>

Who invented the red and yellow card in football