John Quincy Adams is a classic US president biography by John. T. Morse. John Quincy Adams (July 11, 1767 - February 23, 1848) was an American statesman who served as a diplomat, minister and ambassador to foreign nations, and treaty negotiator, United States Senator, U.S. Representative (Congressman) from Massachusetts, and the sixth president of the United States from 1825 to 1829. He was the son of second president John Adams (1735-1826, served...