William D. Coolidge, Date of Birth, Place of Birth, Date of Death

William D. Coolidge

American physicist

Date of Birth: 23-Oct-1873

Place of Birth: Hudson, Massachusetts, United States

Date of Death: 03-Feb-1975

Profession: physicist, inventor, chemist, electrical engineer, university teacher

Nationality: United States

Zodiac Sign: Scorpio

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.