Louis Sussdorf was born at Elmhurst, L. I., N. Y., January 7th, 1888, the son of Louis Albert Sussdorf and Rebecca Morse Hyatt. He attended the Cutler School in New York City and was graduated from Harvard in 1910. He entered the diplomatic service shortly thereafter and had been located at various times in Paris,
Rio de Janeiro, Asuncion, Berne, Helsingfors, The Hague, Tokio, and Riga.
In addition to mountaineering he was interested in skating and skiing, and was a member of the Metropolitan Club in Washington. He married Flores Howard at New Orleans in 1919.
Sussdorf was a member of the Alpine Club (London) and joined the American Alpine Club in 1933. In addition to numerous ascents in the Alps he had climbed in Canada and Japan. His final season was 1939, when he ascended Mont Blanc by the Dames Anglaises and the Aig. Blanche de Peuteret. His last post was as Consul-General at Brussels, and he met his death in a motor accident shortly after the fall of Belgium. J. E. F.