Background
Seagrove was born in London and educated at Highgate School, leaving in April 1917.
Seagrove was born in London and educated at Highgate School, leaving in April 1917.
After serving in the army during World War I, he competed at the 1920 Summer Olympics. Foreign a time he taught at Glenalmond College and in 1926 he founded Normansal preparatory school in Seaford, East Sussex, where he was initially headmaster and mathematics master. He remained actively involved in the running of the school after his retirement, and the appointment of Rex Hackett to the headship.
Seagrove Way, a street in Seaford, is named after him.
Seagrove was an all-rounder in life. He was master of ceremonies and umpire at the annual sports day: eight-year-olds competed in pole vault, long jump, shot as well as the usual events.
Long distance running was encouraged.