Roy P. Kerr is a renowned New Zealand mathematician and physicist, best known for his groundbreaking work in the field of general relativity. In 1963, he discovered the Kerr black hole, which describes a rotating black hole solution to Einstein's equations. This discovery has had significant implications for our understanding of black holes and the nature of the universe. Kerr was born on August 16, 1934, in Oamaru, New Zealand. He completed his Ph.D. at Victoria University of Wellington and has held various academic positions throughout his career. His contributions to theoretical physics have earned him recognition and respect in the scientific community.