Henry Briggs, an English mathematician (15611630), developed the method we commonly use now to do long division. Fractions based on 10's, 100's, etc. were used in the Indus Valley more than 4000...
Joseph Jackson Lister invented the achromatic microscope in 1826. His son, Joseph Lister was a surgeon who began the idea of antiseptic surgery. He wanted to kill microbes that caused infections such...