Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Robert Hare (January 17, 1781 - May 15, 1858) was an early American chemist. Hare was born in Philadelphia, Pennsylvania on January 17, 1781. He developed and experimented with the oxy-hydrogen blowpipe, with Edward Daniel Clarke of Oxford, shortly after 1800. He married Harriett Clark and had six children. He was a professor at the University of Pennsylvania between 1810 and 1812 and between 1818 and 1847. By the 1820s, Hare had developed the "galvanic deflagrator", a type of voltaic battery having large plates used for producing rapid and powerful combustion. In 1854, Hare converted to Spiritism and wrote several books that made him very famous in the United States as a Spiritualist.

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