Archibald Henderson (January 21, 1783 - January 6, 1859) was the longest-serving Commandant of the Marine Corps, serving from 1820 to 1859. He is often referred to as the "Grand old man of the Marine Corps," serving in the United States Marine Corps for 53 years. Wikipedia
The definitive Wikipedia entry for Archibald Henderson. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Archibald_Henderson