Background
He was born at Devauden, Gwent and died at Heacham, Norfolk.
He was born at Devauden, Gwent and died at Heacham, Norfolk.
The son of the rector of Devauden, Prosser was educated at Selwyn College, Cambridge.
From 1891 to 1895 he played occasional minor cricket for Monmouthshire as a lower-order batsman and a right-arm fast-medium bowler. But his only appearance in first-class cricket at Cambridge was in a 12-a-side match against the Gentlemen of England. He batted at Number 12 in his only innings and failed to score, and he bowled 10 overs and failed to take a wicket.
Prosser graduated from Cambridge University with a Bachelor of Arts degree in 1893.
He became a schoolmaster and was headmaster of Snettisham Grange Preparatory School in Norfolk.