1884 - The first U.S. patent for the process of evaporated milk was issued to John Meyenberg of St Louis, Missouri (No. 308,422).
1910 - The American College of Surgeons was incorporated to elevate the standard of surgery, to establish a standard of competency and character for practitioners of surgery.
1948 - Cable television was invented by Leroy "Ed" Parsons. He took a signal from large antenna at the top of the hotel and used a coaxial cable to show the broadcast in hotel lobby
1975, the first U.S. patent for a whole-body X-ray scanner was issued to Robert S. Ledley (No. 3,922,552).
1835 - Andrew Carnegie - Founder Carnegie Steel Corporation - Carngie Mellon University
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