Edmund HarrissEdmund Harriss is a mathematician, artist, and assistant professor at the University of Arkansas. He is the discoverer of the Harriss spiral and the creator of the construction toy Curvahedra. He is the coauthor of Hello Numbers, What Can Yu Do? and the coauthor and illustrator of two mathematical coloring books: Patterns of the Universe and Visions of the Universe. He lives in Fayetteville, Arkansas. Read More Read Less