Trivial Trivia - taking trivia to new levels

[RJNorton]

(12-19-2017 07:10 PM)L Verge Wrote:  Hint #3: The last famous patient that I am referring to attempted to assassinate a President, failed, and spent years in other asylums before the opening of St. Elizabeths (Government Hospital for the Insane) in 1855.

Richard Lawrence?