He is best known for his collections of "bloopers"—the word Schafer popularized for mistakes and gaffes of radio and TV announcers and personalities.
Bloopers came into prominence in 1931, when radio announcer Harry Von Zell mispronounced or said the name of the then-President of the United States, Herbert Hoover, as "Hoobert Heever" on the air, but Schafer's is believed to be the first attempt at collecting and presenting them.
Other similar famous finds of Schafer's include ABC correspondent Joel Daly intoning, "The rumor that the President would veto the bill is reported to have come from a high White Horse souse",[1] and veteran radio host Paul Harvey breaking into uncontrollable laughter at a story about a pet poodle.
On his vinyl record Pardon My Blooper!, Volume 1, Schafer replicated the famous radio show host "Uncle Don" Carney, who broadcast on WOR in New York City to millions of children from 1928 to 1947.
When Clark picked up the mantle, recordings of bloopers were far more easily obtainable, and in fact were often provided willingly by the producers of films and TV shows as a way of promoting their product.
[citation needed] He produced non-blooper comedy albums, among them Jubilee releases for Will Jordan and Peter Wood in the 1960s and Citizen's Bloopers, a spoof of the then-current CB craze in 1977.