Calvin Coolidge was a U.S. president known for his lack of words.

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White House Biography
From the official White House site

The American President: Calvin Coolidge
Another finely detailed biography

Calvin Coolidge
Wikipedia bio of the president

Calvin Coolidge
Biography from the Internet Public Library

The Election of 1920
Coolidge becomes vice-president.

The Election of 1924
"Silent Cal" prevails.

The Roaring Twenties
Wildly successful period of time in U.S. history

The Kellogg-Briand Pact
Definite renunciation of war