Birdman flies to earth with wings at Hanworth . Clam Sohn , a young American from , Lansing Michigan , gave his first exhibition of ' bird ' flight in britain at Hanworth air park , Feltham , Middlesex . Donning a suit of wings and a fin Sohn flew to earth like a giant seagull from a height of about 10 , 000 feet . He folded his wings and pulled the ripcord of a parachute when he was within 1 , 000 feet of the ground , Photo shows Clem Sohn making a perfect landing in the centre of the aerodrome . 2 May 1936