P/O Thomas was Pilot and served on 640 (RAF) Squadron. Halifax LW 499 was airborne 2201 on 12 May 1944 from their home base at Leconfield, Yorkshire, on a mission to attack the railway yards at Hasslet, Belgium. Three of the Squadron’s Halifaxes were lost. LW499 was shot down by a night-fighter. Those killed were buried 15 May 1944 in Antwerpen-Deurne and reburied in the Schoonselhof Cemetery. One member of the crew, Sgt. J. S. Scott, survived and was taken Prisoner of War. Also killed was the 25-year old navigator, F/O John I. Atkins from Newmarket, ON; F/S G. H. Rose, RAAF, and 3 RAF members: Sgt. C. G. Lee, Sgt. D. S. Campbell, and Sgt. L. R. Gee.
Source: http://www.veterans.gc.ca/eng/remembrance/memorials/canadian-virtual-war-memorial/detail/2256065