1. (noun) Irish mathematician (1806-1865)

• sir william rowan hamilton
• william rowan hamilton

2. (noun) English beauty who was the mistress of Admiral Nelson (1765-1815)

• amy lyon
• lady emma hamilton

3. (noun) United States toxicologist known for her work on industrial poisons (1869-1970)

• alice hamilton

4. (noun) United States statesman and leader of the Federalists; as the first Secretary of the Treasury he establish a federal bank; was mortally wounded in a duel with Aaron Burr (1755-1804)

• alexander hamilton