Theodore Roosevelt - A Progressive Man is the biography of Theodore Roosevelt, also known as T.R., and to the public (but never to friends and intimates) as Teddy/ Roosevelt was the twenty-sixth President of the United States, and a leader of the Republican Party and of the Progressive Movement. He became President of the United States at the age of 42. In 1901, as Vice President, the 42 year-old Roosevelt succeeded President William McKinley after McKinley's assassination by anarchist Leon Czolgosz. He served in many roles including Governor of New York, historian, naturalist, explorer, author, and soldier. Roosevelt is most famous for his personality: his energy, his vast range of interests and achievements, his model of masculinity, and his "cowboy" persona. Theodore Roosevelt - A Progressive Man is highly recommended for those interested in learning more about this energetic American President.