Robert Welsh, founder of the John Birch Society, speaks in 1974.

Robert Henry Winborne Welch Jr. was an American businessman, political organizer, and conspiracy theorist. He was wealthy following his retirement from the candy business and used it to sponsor anti-communist causes. He co-founded the far right[1] group the John Birch Society (JBS) in 1958 and tightly controlled it until his death. He was highly controversial and criticized by liberals.

https://en.wikipedia.org/wiki/Robert_W._Welch_Jr.
https://en.wikipedia.org/wiki/John_Birch_Society