Robert Hare. Portrait of Robert Hare,American chemist (1781-1858). In 1801,at the age of 20,Hare invented the oxy-hydrogen blowpipe,which achieved a temperature high enough to boil platinum (4170 degrees Celsius). He attained a high reputation as a chemist,and was responsible for the invention of the calorimeter and a hydrostatic balance. He also isolated boron and silicon. He held the post of professor of chemistry at the University of Pennsylvania from 1818 to 1847 | |
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