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William David Coolidge was an American physicist and engineer

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.

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Title: William David Coolidge was an American physicist and engineer

Caption: 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.

Credit: Album / Universal History Archive/Universal Images Group

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Image size: 4781 × 4387 px | 60.0 MB

Print size: 40.5 × 37.1 cm | 1882.3 × 1727.2 in (300 dpi)

Keywords: 20 20TH XX XXTH TWENTIETH CENTURY • 20 XX TWENTIETH CENTURY • 20TH CENTURY • 20TH • AMERICAN • AMERICANS • CORPORATION • DIRECTOR • DUCTILE TUNGSTEN • EEUU • ENGINEER • GENERAL ELECTRIC RESEARCH LABORATORY • INCANDESCENT LIGHT BULB • PHYSICAL • PHYSICIST • RESEARCH • TWENTIETH CENTURY • U S A • U. S. A • U. S. A. • UNITED STATES AMERICA • UNITED STATES OF AMERICA • UNITED STATES • US-AMERICAN • USA • USA. UNITED STATES • VICE-PRESIDENT • WILLIAM DAVID COOLIDGE • X-RAY MACHINES