Calvin Coolidge (born John Calvin Coolidge Jr.) was the 30th president of the United States, serving from 1923 to 1929. A Republican lawyer from Massachusetts, he previously served as the 29th vice president under President Warren G.
Harding from 1921 to 1923, and as the 48th governor of Massachusetts from 1919 to 1921. Coolidge gained a reputation as a small-government conservative, earning him the nickname "Silent Cal" due to his taciturn personality.