Who was the 30 presedent of the US?

The 30th President of the United States was Calvin Coolidge, who served from 1923 to 1929. He assumed the presidency after the death of Warren G. Harding and was later elected in his own right. Coolidge is known for his laissez-faire approach to the economy and his belief in limited government intervention. His presidency coincided with the Roaring Twenties, a period of significant economic growth and cultural change in the U.S.