The Association was formally chartered by special Act of Congress, May 31, 1920,
•
Some 149 people are listed as subjects in the Cyclopedia, from historical figures before TR's times, like Oliver Cromwell, Frederick the Great, and John Marshall, to Roosevelts's contemporaries, including Jane Addams, William Jennings Bryan, Mark Hanna, Augustus Saint-Gaudens, Pancho Villa, Woodrow Wilson and Booker T. Washington.
•
Lead in the years 1919-1957 by Secretary and Director Hermann Hagedorn (1882–1964), poet, author, historian, friend and biographer of Roosevelt, the Association engaged in a wide spectrum of programs and activities to preserve his memory.
Franklin D. Roosevelt | Theodore Roosevelt | Eleanor Roosevelt | Franklin Delano Roosevelt | Theodore Dreiser | Roosevelt | Kermit Roosevelt | Theodore Sturgeon | Alice Roosevelt Longworth | Theodore von Kármán | St. Luke's-Roosevelt Hospital Center | Theodore Roosevelt, Jr. | Elliott Roosevelt | Theodore Parker | Theodore Bikel | Theodore | Theodore Roosevelt National Wildlife Refuge Complex | Théodore Botrel | Roosevelt family | James Roosevelt | Charles Theodore, Elector of Bavaria | Theodore Wirth | Theodore Ushev | Theodore Robinson | Theodore of Tarsus | Theodore Edgar McCarrick | Théodore Dubois | Roosevelt University | Theodore Roethke | Theodore of Mopsuestia |