Robert Todd Lincoln was an American lawyer and businessman. He was the eldest son of President Abraham Lincoln and First Lady Mary Todd Lincoln and the only one of their four children to live past age 18. Robert Lincoln became a business lawyer and company president, serving as both United States Secretary of War (1881–1885) and the U.S. Ambassador to Great Britain (1889–1893).
- Occupation
- lawyer, diplomat, politician, jurist
- Position held
- United States Secretary of War, United States Ambassador to the United Kingdom
- Citizenship
- United States
- Born
- August 1, 1843