William David 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.
From *.wikipedia.org,
General Info
.
Male
Date of Birth
October 23rd, 1873
Age
152
Birth Place
United States of America, Massachusetts
Date of Death
February 3rd, 1975
Died Aged
101
Star Sign
Libra
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