Robert Adrian was born in Co Antrim in 1775. As a United Irishman he fought in the Rebellion of 1798. He was shot in the back and left for dead after which he escaped to America. He returned to his former profession of teaching. He was a Professor of Mathematics and held a number of prestigious posts including Vice Provost of the University of Pennsylvania. He was a major contributor to the development of mathematics. He still ranks as one of the most important mathematicians of his day raising the standard of the subject in the USA