John Quincy Adams: American statesman and the sixth president of the United States. Full Name: John Quincy Adams; Profession: Politician, diplomat, statesman, lawyer, professor, and the 6th president of the United States of America. Nationality: American (United States); Born: 11 July 1767. Birthplace: Braintree (now Quincy), Massachusetts, British America; Generation: Late Colonial / Founding-era generation bridging the American Revolution and the early United States republic; Chinese Zodiac: Pig (Fire Pig year, according to traditional Chinese calendrical reckoning for 1767). Zodiac Sign: Cancer. Age in 2026: If alive, he would be 259 years old. Marital Status: Married (to Louisa Catherine Johnson Adams from 1797 until his death), Children: Four children (George Washington Adams, John Adams II, Charles Francis Adams Sr., and a daughter who died in infancy), Description: John Quincy Adams was a profoundly influential American statesman whose long career spanned the formative decades of the United States, serving not only as the sixth President (1825–1829) but also as a distinguished diplomat, Secretary of State, United States Senator, member of the House of Representatives, and early advocate for a coherent national vision of infrastructure, science, and education; as Secretary of State under President James Monroe he was instrumental in crafting the Monroe Doctrine and negotiating landmark treaties that shaped U.S. borders and expanded its international standing, while his presidency emphasized a strong federal role in promoting internal improvements such as roads, canals, and scientific institutions, even though his ambitious national program met fierce opposition from supporters of Andrew Jackson and states’ rights advocates; after leaving the presidency he became one of the most respected congressmen of his era, famously earning the nickname “Old Man Eloquent” for his principled, passionate speeches against slavery and the gag rule, and for his defense of the enslaved Africans in the Amistad case, where his arguments before the Supreme Court advanced both human rights and the rule of law; a highly educated polyglot and diarist, Adams was steeped in classical learning, Protestant ethics, and the republican ideals of his father John Adams, yet forged his own independent path by insisting that public officials must put constitutional duty and moral conscience above partisan popularity, leaving a legacy as a complex, austere, but deeply ethical figure whose work on foreign policy, infrastructure, and anti-slavery advocacy helped guide the United States toward a more expansive and principled role at home and abroad; Cause of Death: Adams collapsed from a stroke on the floor of the U.S. House of Representatives on 21 February 1848 and died two days later, on 23 February 1848, in the Speaker’s Room of the Capitol in Washington, D.C.