Coolidge
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John Ericsson National Memorial, located near the National Mall at Ohio Driveand Independence Avenue, SW, in Washington, D.C., is dedicated to the man who revolutionized naval history with his invention of the screw propeller. The Swedishengineer John Ericsson was also the designer of the USS Monitor, the ship that ensured Union naval supremacy during the American Civil War.[1]
The national memorial was authorized by Congress on August 31, 1916, and dedicated on May 29, 1926 by President Calvin Coolidge and Crown Prince Gustaf Adolf of Sweden.