I may be wrong but the signature - Doug W, SANDERSON .
Could he be Sgt.Douglas Whitham SANDERSON, 942817 RAFVR, who was one of the crew of Hudson T9322 of 1(C) OTU, lost on the 13th January 1943.
He rests at Sheffield (Abbey Lane) Cemetery, Yorkshire.
Also I found a -
F/O. Satthianadhan PAUL, 139653 - RAFVR, DFC(51Sqdn).
Signature could be his ?
Anyone know where they began their RAF service , it may lead to discovering the others on the list, perhaps 16 OTU ?