Amy Alznauer is the author of The Boy Who Dreamed of Infinity: A Tale of the Genius Ramanujan, illustrated by Daniel Miyares, and Flying Paintings: The Zhou Brothers: A Story of Revolution and Art, illustrated by ShanZuo Zhou and DaHuang Zhou. She has an MFA in creative nonfiction from the University of Pittsburgh and an MS in mathematics from the University of Illinois. Her adult epistolary memoir Love and Salt won a Christopher Award, and she is on the mathematics faculty at Northwestern University. She lives in Chicago.

Anna Bron is the illustrator of No Horses in the House! The Audacious Life of Artist Rosa Bonheur by Mireille Messier and other acclaimed picture books, as well as an animation director who has worked on Emmy and Oscar–nominated short films, commercials, and various other projects. She lives in British Columbia.