[1] The first was Americans at Work, a 30-minute show heard on in the late evening on Thursdays, Saturdays and Tuesdays beginning April 28, 1938.
By 1939, it was a successful component of the Thursday night CBS schedule with Brewster Morgan directing.
The unscripted show used an interview format to cover diverse occupations, from working class individuals to such famed figures as Walt Disney.
This 15-minute historical drama returned four years later for a run in the spring and summer of 1942 from March 3 until June 30.
[1] Hosted by historian Allan Nevins, the 15-minute Adventures in Science covered a wide variety of medical and scientific topics.