Letitia Mumford Geer: The Nurse Who Revolutionized Medical Safety Every medical procedure today relies on a tool so basic that most
Helen Murray Free: The Chemist Who Saved a Million Toes Every day, millions of diabetics around the world prick their fingers and
Marie Curie: The Woman Who Broke Every Rule and Changed Science Forever Maria SkÅ‚odowska-Curie didn’t just discover radioactivity and win Nobel Prizes. She rewrote