William D. Coolidge
William D. Coolidge was born on October 23, 1873. See ranking, bio blurb, and everyone else born that day.
About William D. Coolidge
William David Coolidge (; October 23, 1873 – February 3, 1975) 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.