William D. Coolidge

William David Coolidge was an American physicist and engineer, who made major contributions to X-ray machines. He was the director of the General Electric Research Laboratory and a vice-president of the corporation. He was also famous for the development of "ductile tungsten", which is important for the incandescent light bulb.

23 October 1873

Born on the same birth day (23 October): Fatmir Sejdiu • Felix Bloch • Franz Schlegelberger • Graeme Barker • Jack Keller (athlete)

Born in the same month (October 1873): Alexey Shchusev • Bart King • Carl Flesch • Charles Rudolph Walgreen • Ejnar Hertzsprung • Ivanoe Bonomi • Jussi Merinen • Lucien Mérignac • Nellie McClung • Rama Tirtha • Stephen Warfield Gambrill • Thorvald Stauning