Thank You, Dr. Salk!

Dean Robbins is a journalist and children's book author. His picture books include Two Friends: Susan B. Anthony and Frederick Douglass; Miss Paul and the President: The Creative Campaign for Women's Right to Vote; Margaret and the Moon: How Margaret Hamilton Saved the First Lunar Landing; and The Astronaut Who Painted the Moon. He lives in Madison, Wisconsin, with his family. Find him at deanrobbins.net. Mike Dutton is the illustrator of Food Truck Fest by Alexandra Penfold, Donovan's Big Day by Leslea Newman, and the comic One Swoop Fell. He has drawn numerous Google Doodles, including one of Dr. Jonas Salk. He is an art director at animation studio Tonko House, and lives with his family in Berkeley, California. duttonart.net.