Henry Lewis Stimson was an American statesman, lawyer and Republican Party politician and spokesman on foreign policy. He twice served as Secretary of War

United States Secretary of War

The Secretary of War was a member of the United States President's Cabinet, beginning with George Washington's administration. A similar position, called either "Secretary at War" or "Secretary of War," was appointed to serve the Congress of the Confederation under the Articles of Confederation...

 1911–1913 under Republican William Howard Taft

William Howard Taft

William Howard Taft was the 27th President of the United States and later the tenth Chief Justice of the United States...

 and 1940–1945, under Democrat Franklin D. Roosevelt

Franklin D. Roosevelt

Franklin Delano Roosevelt , also known by his initials, FDR, was the 32nd President of the United States and a central figure in world events during the mid-20th century, leading the United States during a time of worldwide economic crisis and world war...

. In the latter role he was a leading hawk calling for war against Germany. During World War II he took charge of raising and training 13 million soldiers and airmen, supervised the spending of a third of the nation's GDP on the Army and the Air Forces, helped formulate military strategy, and took personal control of building and using the atomic bomb.