Tiffany Ard creates "artwork and nursery decor for serious science nerds." Seen above is a spread from her book Pat Schrodinger's Kitty. From the description:
Here are Paul Dirac and Enrico Fermi. They can do lots of things. You can do lots of things too! This parody of the children's classic Pat the Bunny is perfect for the babies in your life who are interested in physics.