Norman was born in South Africa and research is ongoing for further details on his life and family.

Wellington N2870 departed from RAF Newmarket, Suffolk at 11:43. The aircraft was destroyed in a mid-air collision with Wellington N2911 off Wangerooge Island, Lower Saxony, while trying to escape fighters during a raid on Heligoland and Wilhelmshaven. Both aircraft crashed, killing all twelve crew. 

The crew of N2870 were:

40399, Pilot Officer Norman Leonard Lewis.
580342, Sgt Harvey Hulme.
580817, Sgt William James Atkins.
523569, AC.1 Rolf Heywood.
523436, Corporal Thomas Hunter.
567346, AC.1 Charles Watson.