Sherwin Cody wants to know

[Popular Mechanics, February 1942.]

If you suspect that Sherwin Cody stepped out of the nineteenth century to ask this question: yes, he did. And he asked it again and again and again, with great success, enough even to be in Wikipedia.

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11:18 a.m.: From an earlier, lengthier Sherwin Cody advertisement (Popular Mechanics, October 1930):

Many people say “Did you hear from him today?” They should say “Have you heard from him today?”

Uh-oh, I’m in trouble.