Theodore Roosevelt Jr. was an American politician, author, naturalist, soldier, explorer, and historian who served as the 26th President of the United States. He was born on October 27, 1858 and died in 1919. He was a leader of the Republican Party and founder of the Progressive Party insurgency of 1912. He is known for his personality, range of interests and achievements, and his leadership of the Progressive Movement, as well as his "cowboy" persona and robust masculinity. Born into a wealthy family in New York City, Roosevelt was a sickly child who suffered from asthma. He was home-schooled and became an eager student of nature. He led a famous group called the ''The Rough Riders'' in the Naval war. He died of a sickness he picked up from the Amazon.