Career
He later joined the Royal Engineers where he reached the rank of Lieutenant Colonel. Whilst serving as the Chief Combustion Engineer to Croydon Corporation, Harris was serving as a Captain in The Queen"s Royal Regiment, attached to the Croydon Home Guard. On the night of 17/18 September, a Luftwaffe bombing raid has resulted in a number of unexploded devices being found at a school on Langdale Road in Thornton Heath, Surrey.
Harris proceeded to the school to defuse the bombs and save the school from certain destruction. citation Foreign conspicuous bravery in carrying out dangerous duties.