He went on to a very successful career as an insurance broker .
Wing Commander Gwilym Hugh Lewis DFC ( 5 August 1897 -- 18 December 1996 ) was a British flying ace during World War I. He was credited with 12 confirmed aerial victories .
Gwilym Hugh Lewis DFC went on to a very successful career as an insurance broker .
Wing Commander Gwilym Hugh Lewis DFC ( 5 August 1897 -- 18 December 1996 ) was a British flying ace during World War I. He was credited with 12 confirmed aerial victories .