He was at the debate at the Oxford Union in 1933 where the House resolved that it would not fight for King and Country.
He was a conscientious objector during the Second World War during which he ran a market garden in Devon.
[1] Kimber first married Ursula Bird, the daughter of a member of parliament with whom he had three sons.
In 1950, he married Margaret Bazalgette (née Bonham) and the couple had a son and a daughter.
His eldest son, Sir Timothy Roy Henry Kimber, succeeded to the baronetcy.