RACHEL IGNOTOFSKY is an illustrator, a designer, and a New York Times bestselling author. She is a graduate of Tyler School of Art's graphic design program and formerly worked as a senior designer and illustrator at Hallmark Greetings. She and her work have been featured in many print and online media outlets such as Babble, the Huffington Post, Scientific American, and BuzzFeed. She is the author of Women in Science and Women in Sports.