William D. Coolidge
William David Coolidge (October 23, 1873 – February 3, 1975) was an American physicist, 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 invention of "ductile tungsten", which is important for the incandescent light bulb.
Read more about William D. Coolidge: Early Years, Ductile Tungsten, Improved X-ray Tube, Awards, Later Career, Patents
Famous quotes containing the words william and/or coolidge:
““Can’t” is what our grandparents said about the airplane.”
—Richard Blake, and William Cameron Menzies. Stu Kelston (Arthur Franz)
“Nothing in the world can take the place of Persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and Determination alone are omnipotent. The slogan “Press On”, has solved and will always solve the problems of the human race.”
—Calvin Coolidge (1872–1933)