From the program's debut until August 1938, it averaged receiving about 15,000 letters from listeners each week.
[3] The program's format pitted five people from the audience against each other for several rounds of questions until the winner received a cash prize.
[5] The quizmaster, Professor Quiz, was Dr. Craig Earle,[3] a pseudonym for Arthur E. Baird.
Sponsors included Velvet Pipe and Cigarette Tobacco[2] and Kelvinator appliances.
[6] In February 1940, a Professor Quiz home game was available with the purchase of a bottle of Teel (a liquid dentifrice).