Science Birthdays, July 1

7/1 1646 Gottfried Liebnitz, developed calculus independent of Isaac Newton, he never married and often complained about money, yet he had many friends. He died in 1716 at age 70.
7/1/1740 Franz Muller, mineralogist, discovered tellurium in 1782. He died in either 1825 or 1826 at the age of 44.
7/1/1742 George Lichtenberg, waste books, he collected notebooks from his early student days until his death. He started collecting volumes in alphabetical order starting with A in 1765 to L which broke off at his death in 1799. They contain many original thoughts particularly in science. Many have studied the books to understand thought processes. He died in 1799 at age 57, “A book is a mirror, if an ass looks into it, you can’t expect an apostle to look out.”
7/1/1788 Jean Poncelet, mathematician, a reviver of projective geometry, he was a prisoner of war from 1812 to 1814. he died in 1867 at the age of 79
The poncelet, a unit of power named after him was once used in France. One poncelet was about 1.315 horsepower.
7/1/1818 Ignaz Semmelweiss, physician, early pioneer of antiseptic procedures. Described as the “Savior of Mothers” by advocating hand washing in obstetrical clinics. This reduced puerperal fever, a serious form of septicemia. Ironically, Semmelweiss died of septicemia in 1865 at the age of 47.
7/1/1917 Osmond Humphry, Psychiatrist who invented the word psychedelic. He died in 2004 at the age of 86.
7/1/1929 Gerard Edelman, worked out the structure of antibodies.
7/1/1941 Alfred Gilman, discovered that proteins that interact with guanasine triphosphate initiate signaling cascades within the cell.

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