Alan Lightman is a physicist and the best-selling author of Einsteins 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. nOlga Pastuchiv is a childrens book author, painter, and commercial illustrator living in Richmond, Maine. n nSusanna Chapman is an illustrator, muralist, and designer. Her books include Elizabeth Warrens Big, Bold Plans, written by Laurie Ann Thompson. She lives in Nashville, Tennessee.n