Britain 's oldest man , oldest veteran from World War I , celebrates his 112th birthday . Henry Allingham last founding member of the Royal Air Force , formed in 1918 . - - # ##man still travels , makes public appearances at military events .
Britain 's oldest man , oldest veteran from World War I , celebrates his 112th birthday . Henry Allingham last founding member of the Royal Air Force , formed in 1918 . Ex-aircraft engineer still travels , makes public appearances at military events .