Background
Cresson, William Penn was born on September 17, 1873 in Claymount, Delaware, United States. Son of Hilbourne Thompson (Doctor of Medicine and Elizabeth (Vaux) C.
Cresson, William Penn was born on September 17, 1873 in Claymount, Delaware, United States. Son of Hilbourne Thompson (Doctor of Medicine and Elizabeth (Vaux) C.
Student of University of Pennsylvania, 1895, École des Beaux Arts, Paris, 1897-1902 (student of the 1st class).
Practiced architecture, Washington, District of Columbia, 1905-1907. Ranching in Nevada, 1907-1909. Secretary of America Legation at Lima, Peru, 1909-1912.
2ed secretary American Embassy, London, 1912-1913.
Secretary American Legation, Quito, Ecuador, 1913-1914, Panama, 1914-1915. Secretary American Embassy, Petrograd, May 21, 1915-1917.
Secretary American Legation, Lisbon, Portugal, August 1917. Retired; assistant professor international law Princeton, 1920-1921.
Lecturer on diplomatic history, Georgetown University, 1924-1927.
Fletcher professor of international law and diplomacy, Tufts College, 1927-1928, 1928-1929. Appointed a diplomatic secretary Conference on Limitation of Armament, Washington, 1921-1922, and of VI Pan-American Conference, Havana, 1928. Commissioned Lieutenant Associate of Science, South.O.R.C., September 1917.
Captain Associate of Science, January 1918.
Chief American Military Mission Belgian General Headquarters. Major M.I.O.R.C.
Married Margaret French, January 10, 1921.