He was an orphaned boy from rural Maine who left school before his teens. He never earned a degree, yet he became a technological titan, rising to Senior Vice President of Raytheon. Percy Spencer's life is a profound American success story, proving that genius thrives outside the classroom.This comprehensive biography chronicles Spencer's extraordinary journey, from his relentless self-education and mastery of complex physics to his pivotal role in World War II, where his manufacturing innovations saved the Allied radar program. It was during this critical work that a chance encounter with a melted chocolate bar led to the most revolutionary domestic appliance of the 20th century: the microwave oven.Discover the untold engineering crusade Spencer led to shrink a six-foot-tall industrial machine into the sleek, affordable box that sits on every countertop today. Explore his enduring influence on modern corporate management, his profound, humble reflections on his legacy, and how his work, born of wartime necessity, irrevocably altered global cuisine, defense systems, and the rhythm of daily life.From radar screens to dinner plates, this is the definitive account of the self-taught inventor who harnessed the invisible forces of electromagnetism and permanently changed the world. Approx.174 pages, 32600 word count