Dean Robbins is the author of Margaret and the Moon: How Margaret Hamilton Saved the First Lunar Landing; Miss Paul and the President: The Creative Campaign for Women's Right to Vote; and Two Friends: Susan B. Anthony and Frederick Douglass, and a lifelong student of jazz. Dean Robbins lives in Madison, Wisconsin.

Eric Velasquez is the award-winning illustrator of Schomburg: The Man Who Built a Library, which received a Walter Dean Myers Award and an SCBWI Golden Kite Award. He has also won a John Steptoe New Talent Illustrator Award and a Pura Belpré Illustrator Award. Eric Velasquez lives in Hartsdale, New York.