Alfred 'Alf' Robert Engers (born about 1940) was an English racing cyclist who set national records and won national championships in the individual time trial discipline from 1959 to the late 1970s. He established a new British 25 mile record of 49 minutes and 24 seconds in 1978, averaging 30.364 mph (or 49.190 km/h). He was the first rider to beat the 50 minute barrier and thus the first rider to average a speed of over 30mph. Wikipedia
The definitive Wikipedia entry for Alf Engers. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Alf_Engers
Engers is from Southgate in north London . He worked night shifts as a pastry cook in Whitechapel while pursuing his cycling career. He seems to have been a rebel from early on: he was expelled from school for 'misbehaving on every level' and received h medlibrary.org/medwiki/Alf_Engers