Alan Lightman is a physicist and the best-selling author of Einstein's Dreams and other adult books. Modeled on his relationship with his granddaughter, Ada and the Galaxies is his first book for children. He is a professor at MIT and lives in Concord, Massachusetts. Olga Pastuchiv is a children'...

Alan Lightman is a physicist and the best-selling author of Einstein's Dreams and other adult books. Modeled on his relationship with his granddaughter, Ada and the Galaxies is his first book for children. He is a professor at MIT and lives in Concord, Massachusetts. Olga Pastuchiv is a children's book author, painter, and commercial illustrator living in Richmond, Maine. Susanna Chapman is an illustrator, muralist, and designer. Her books include Elizabeth Warren's Big, Bold Plans, written by Laurie Ann Thompson. She lives in Nashville, Tennessee.