He was the first doctor to arrive at the presidential box at Ford's Theatre on April 14, 1865 after John Wilkes Booth fatally shot President Abraham Lincoln in the back of the head with a Philadelphia Deringer pistol.
Ia merupakan dokter pertama yang datang ke kamar presidensial di Ford's Theatre pada 14 April 1865 setelah John Wilkes Booth menembak Presiden Abraham Lincoln dari belakang kepalanya dengan pistol Philadelphia Deringer.