Description: (Physicist)
William D. Coolidge, an American physicist and engineer, made significant contributions to X-ray technology. As the director of the General Electric Research Laboratory and a vice-president of the corporation, he played a crucial role in advancing X-ray machines. Coolidge is renowned for developing "ductile tungsten," a key component in incandescent light bulbs. His work revolutionized physics and engineering, leaving a lasting impact on the scientific community and the world.