Which Greek physician born in 460 BC to a family of priests and doctors lived most of his life on Cos and Cnidus and is generally considered to be the father of modern medicine?
Which was a mathematician and author on the faculty of the Department of Mathematics at the University of Illinois from 1955-1990, and of Eastern Michigan University from 1990-1999, most famous for writing "The Elements of Real Analysis" and "The Elements of Integration"?
Which Greek mathematician, from the 1st century BC, is best known for the theorem which bears his name and for leading a group who discovered square numbers and proposed that the earth was round, planets have an axis, and they travel around the sun?