Theodore Roosevelt
Theodore "Teddy" Roosevelt, Jr. (October 27, 1858 – January 6, 1919) was the 26th president of the United States from 1901 to 1909. At only 42 years old, he remains the youngest person ever to become president, which he did following the assassination of President McKinley. He was born in New York City. Roosevelt is often ranked as one of the greatest presidents in American history.