Green Haywood Hackworth (Prestonsburg, Kentucky, January 23, 1883 – Washington, DC, June 24, 1973) was an American jurist who served as the first U.S. judge on the International Court of Justice, as President of the International Court of Justice, as the longest running Legal Adviser to the US Department of State (1925 -1946) and as a member of Secretary of State Cordell Hull's inner circle of advisers.
Although a Democrat, Hackworth was chosen in 1925 by republican U.S. Secretary of State Charles Evans Hughes, for nomination by the President and subsequent approval by the Senate to become Solicitor of the Dept.
Secretaries of States: Charles Evans Hughes, Frank B. Kellogg, Henry L. Stimson, Cordell Hull and Edward Stettinius Jr. Hackworth was noted for being a skilled legal draftsman concerning the area of treaty provisions and was a perforce in matters involving the U.S. and its foreign relations from the period of U.S. neutrality to the country's entry into World War II.
Following the outbreak of war in Europe, Hackworth served as Adviser to Secretary of State Hull at the 2nd Meeting of foreign Ministers of the American Republics (1941) held in Havana.
Hull consulted with Hackworth and Josheph Ballentine, a state department expert on the Far East, on whether or not to see the waiting Japanese diplomats.
[5] After seeing and then dismissing the diplomats, Hull met with President Roosevelt and then later again with Hackworth where the two discussed drafting a proclamation of war between Japan and the United States.
As the war progressed, Hackworth advised Secretary Hull, President Roosevelt, Judge Samuel Rosenman, and numerous agencies within the government.
In December 1943, this group prepared and delivered to President Roosevelt a detailed post war plan that became the founding framework of the United Nations.
[7] Hackworth headed the second group charged with studying arrangements for the peaceful settlements of international disputes and the development of a World Court.
At the Dumbarton Oaks Conference, Hackworth chaired a special Legal Subcommittee that was established to deal with the issue of a World Court.