Here are the answers to the American Old-Time Radio Quiz:

1: Sam 'n' Henry

2: Howard Koch

3: Eleanor Roosevelt

4: Arthur Godfrey Time

5: Capitol Theater

6: Dorothy Kilgallen and Richard Kollmar

7: Bill Grant

8: Paddy O'Cinnamon

9: Norman Corwin

10: Father Charles Coughlin

11: Fibber McGee and Molly

12: The Free Company

13: Gertrude Berg

14: I Love a Mystery

15: Frank Nelson

16: Michigan

17: The Lux Radio Theater

18: Ma Perkins

19: 27 years (1933-1960)

20: The Shadow