Stephen Westaby is one of Britain's most pioneering cardiac surgeons, whose extraordinary career has pushed the boundaries of heart surgery and saved countless lives. Drawing on decades of experience in the operating theatre, he brings rare insight and humanity to his writing. His memoir "Fragile Lives" offers an unflinching yet deeply moving account of life as a heart surgeon, while "The Knife's Edge" explores the psychological toll of a career spent battling death. Westaby's prose is bold, visceral, and compassionate, making complex medical realities accessible to all readers. He is widely regarded as a giant of modern cardiothoracic surgery.