Cyril was born in 1922 in Hackney, to Polish born parents Samuel and Sophie nee Shavelson who both originated from Kupisak. They married in 1906 and became British citizens in 1911. Samuel worked as an ironmonger and they had six children with Cyril being the youngest.

Cyril was on board Whitley BD683 which took off from Wick at 08.10 on a A/S Patrol.
The crew were:
F/O G D Wright
Sgt A Waterworth
P/O F L S Wismer RCAF
Sgt N Hallett
Sgt W H Young
Sgt C S Berger

An unfinished call sign and SOS was heard from this aircraft at 15:38 hrs but despite an extensive search nothing was found of the aircraft. Both Sgt Waterworth and F/O Wright rest in Stavne Cemetery, Trondheim, Norway, while the remainder of the crew, including P/O Wismer of London, Ontario, are commemorated on the Runnymede Memorial.