The document discusses Theodore Roosevelt's background and career, noting that he was born in New York City in 1858 and served as governor of New York before becoming the youngest U.S. president at age 42 after President McKinley's assassination in 1901. As president, Theodore Roosevelt was known for his anti-trust policies and conservation efforts, and he won the Nobel Peace Prize for helping end the Russo-Japanese War, dying in New York in 1919.