Served as the fifth Chief Justice of the U.S. Supreme Court from 1836 to 1864.
He graduated from Dickinson College in 1795.
He delivered the majority opinion in the Dred Scott v. Sandford 1857 case, which ruled that African Americans couldn't be considered citizens of the United States.
He married Anne Phebe Charlton Key in 1806. The couple had seven children together.
He was nominated to the Supreme Court by Andrew Jackson.