Hiroaki Terao (寺尾 宏明, Hiroaki Terao; born August 13, 1951) is a Japanese mathematician, known as, with Peter Orlik and Louis Solomon, a pioneer of the theory of arrangements of hyperplanes. He was awarded a Mathematical Society of Japan Algebra Prize in 2010.
Source: “Hiroaki Terao”, English Wikipedia (CC BY-SA 4.0), excerpt