William D. Coolidge (nonfiction)

William David Coolidge.

William David Coolidge (/ˈkuːlɪdʒ/; 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.

Nonfiction cross-reference

• Physicist (nonfiction)

External links:

• William D. Coolidge @ Wikipedia