George Orson Welles (May 6, 1915 – October 10, 1985)

The quiz show You Bet Your Life hosted by Groucho Marx with announcer
and assistant George Fenneman debuted on ABC Radio, then moved to
CBS Radio debuting October 5, 1949 before making the transition to NBC-
TV and NBC Radio on October 4, 1950.

From left: George Fenneman and Groucho Marx

The Grand Ole Opry is a weekly country-music stage concert in Nashville,
Tennessee, which was founded on November 28, 1925, by George D. Hay
as a one-hour radio "barn dance" on WSM.

From October 15, 1955 to September 1956, ABC-TV aired a live, hour-long
television version of the Opry once a month on Saturday nights, sponsored
by Ralston-Purina, pre-empting one hour of the 90-minute Ozark Jubilee. 

From "Grand Ole’ Opry" in 1955. It’s the first TV appearance of
Patsy Cline.

William Bennett Kilpack (February 6, 1883 – August 17, 1962)

Mr. Keen, Tracer of Lost Persons was one of radio’s longest running shows,
airing October 12, 1937 to April 19, 1955, continuing well into the television
era. It was produced by Frank and Anne Hummert, who based it upon Robert
W. Chambers‘ 1906 novel The Tracer of Lost Persons. The sponsors included
Whitehall Pharmacal, makers of Anacin,Kolynos Toothpaste, BiSoDol antacid
mints, Hill’s cold tablets and Heet liniment), Dentyne, Aerowax, RCA Victor and Chesterfield cigarettes. The 15-minute serial initially aired on the NBC Blue
network until 1947, when it switched to CBS and became a weekly half-hour
show. Bennett Kilpack (above) was the longest-running Mr. Keen.

Glenn Miller composed the theme song for the program Make Believe Ballroom
on WNEW radio, hosted by Martin Block. The song was recorded at the Victor
studios in New York City.