At Harvard, Katrina Tangen studied the History of Science. Now she introduces STEAM to scientists of the future through books like Ramp it Up! (Charlesbridge, 2026) and Copy That, Copy Cat!: Inventions Inspired by Animals (Barefoot Books, 2023). Katrina uses a power wheelchair because she’s disabled by ME/CFS. She lives in Southern California between Disneyland and the beach.