Paul Lockhart is the author of Arithmetic, Measurement, and A Mathematician's Lament. He has taught mathematics at Brown University, University of California, Santa Cruz, and to K-12 level students at St. Ann's School in Brooklyn, New York.
Kyle Tait is a professionally trained voice actor and narrator in Atlanta, Georgia. His first brush with a microphone came in sports radio, calling baseball in the Atlanta Braves' organization. He started voicing audiobooks during the off-season; a few years later, he left baseball to work as a narrator full-time.