While John Wilkes Booth died 12 days after the assassination and four of his fellow conspirators were hanged three months later, two of men arrested as conspirators lived into the 20th Century.
Samuel Arnold, who was convicted by a military tribunal and jailed at remote Fort Jefferson in the Florida Keys, received a presidential pardon in 1869. He lived until 1906.
John Surratt, whose separate trial by a civilian court ended in a hung jury in 1867, had all charges against him dropped. He married a shirttail cousin of Francis Scott Key, and they had seven children.
He worked as a schoolteacher, tried lecturing on the Lincoln assassination, and eventually became treasurer of a steamship company.
He lived until April 22, 1916.