Thomas Harriot

Born in Oxford around 1560, Thomas Harriot was an English mathematician, astronomer, and natural philosopher whose work reached across several fields at once. He studied at St Mary Hall, Oxford, and became associated with Sir Walter Raleigh, helping with navigation and joining the 1585 expedition to Roanoke in North America.

That experience led to A Briefe and True Report of the New Found Land of Virginia (1588), his only work published in his lifetime. It combined close observation with practical detail and remains an important early English account of the peoples and environment of the region.

Harriot published little, but later generations recognized how much he had done. He worked on algebraic notation and equations, investigated optics and refraction, and in 1609 made telescopic drawings of the Moon shortly before Galileo’s were published. Much of his reputation rests on manuscripts and posthumous publications, which reveal a brilliant, wide-ranging mind whose achievements were only partly seen in his own day.