- Helen M. Rozwadowski
Griscom, John (27 September 1774–26 February 1852), teacher, chemist, and philanthropist, was born in Hancock’s Bridge, New Jersey, the son of William Griscom, a farmer and saddle and harness maker, and Rachel Denn. Educated in country schools except for a few months in 1783 at Friends’ Academy in Philadelphia, Pennsylvania, he was self-taught in chemistry and physics. Griscom began teaching at a log cabin school near Salem, New Jersey, when he was seventeen. In 1794 he took charge of the Friends’ School in Burlington, New Jersey, where he taught chemistry to advanced pupils in a room in his house that he had converted into a laboratory....