WordNet sense 1 (32nd President of the United States; elected four times; instituted New Deal to counter the great depression and led country during World War II (1882-1945)):

FDR, Roosevelt, F. D. Roosevelt, Franklin Delano Roosevelt, Franklin Roosevelt, President Franklin Roosevelt

WordNet sense 2 (26th President of the United States; hero of the Spanish-American War; Panama Canal was built during his administration):

President Theodore Roosevelt, Theodore Roosevelt