Mr. Seymour was the mystery guest on the February 8, 1956 episode of the “I've Got a Secret” game show. Mr. Seymour (March 28, 1860 – April 12, 1956) was 95 at the time of his appearance.
I've Got a Secret
Date: February 8, 1956
Guest: Mr. Samuel J. Seymour
Secret: Last living eyewitness to the assassination of President Abraham Lincoln
Host: Garry Moore
Panelists from left to right: Bill Cullen, Jayne Meadows, Henry Morgan, Lucile Ball
In addition, YouTube poster HistoryFlicks4U also shared a link to the referenced article, "I Saw Lincoln Shot" by Mr. Seymour.
Contributed by Ed Glantz; source HistoryFlicks4U