"Samuel James Seymour (March 28, 1860 – April 12, 1956) was the last surviving person who had been in Ford's Theatre the night of the assassination of U.S. President Abraham Lincoln on April 14, 1865. "
"Two months before his death, Seymour[4] appeared on the February 9, 1956, broadcast of the CBS TV panel show I've Got a Secret."
"Samuel James Seymour (March 28, 1860 – April 12, 1956) was the last surviving person who had been in Ford's Theatre the night of the assassination of U.S. President Abraham Lincoln on April 14, 1865. "
"Two months before his death, Seymour[4] appeared on the February 9, 1956, broadcast of the CBS TV panel show I've Got a Secret."
https://en.wikipedia.org/wiki/Samuel_J._Seymour