1272764 Marshal Joffre, General Pershing and President Poincar矇 welcoming the first contingent of American troops to arrive in France, at the H繫tel des Invalides, Paris, 4 July 1917 (b/w photo) by Chusseau-Flaviens, C. (fl.1900-14); Private Collection; (add.info.: Marshal Joseph Jacques C矇saire Joffre (1852-1931) French general. John Joseph "Black Jack" Pershing (1860-1948), was the general in the United States Army who led the American Expeditionary Forces to victory over Germany in World War I, 1917??8. Raymond Poincar矇 (1860-1934) was a French statesman who served three times as Prime Minister, and as President from 1913 to 1920.).