This one hour episode of MONITOR, the NBC weekend radio service was aired on a Saturday morning in 1959 and hosted by Monte Hall and NBC announcer Bob Wilson. Monty Hall (born Monte Halparin; August 25, 1921 – September 30, 2017) was a Canadian radio and television show host who moved to the United States in 1955 to pursue a career in broadcasting. After working as a radio newsreader and sportscaster, Hall returned to television in the U.S., this time in game shows.From 1956 to 1960, along with NBC Radio newsman Morgan Beatty, Hall co-hosted the Saturday night segment of the NBC Radio Network weekend program Monitor from 8 p.m. until midnight (EST).

https://en.wikipedia.org/wiki/Monty_Hall