Famous Irishman - Sir William Rowan Hamilton

This week's famous Irishman is Sir William Rowan Hamilton.

Sir William Rowan Hamilton
(4 August 1805 – 2 September 1865)
was an Irish mathematician, physicist, and astronomer who made important contributions to the development of optics, dynamics, and algebra. His discovery of quaternions is perhaps his best known investigation. Hamilton's work was also significant in the later development of quantum mechanics.