Charles Nungesser and François Coli
Charles Nungesser and François Coli in heavy flying clothes before their Paris to New York flight attempt. They took off from Paris in their Levasseur 8 l'Oiseau Blanc (“The White Bird”), on May 8, 1927. They never arrived in New York and were presumed lost at sea.
(via http://s.si.edu/kPho1)