1698, Jan 11760, Jan 13
a businessman, scientist, doctor, clergyman, and lecturer. He is noted for introducing the phenomenon of electricity to Benjamin Franklin. Spencer was a businessman in the British Colonies of America. From 1743 to 1751 he professionally conducted scientific lectures and demonstrations. These were popularized in the colonies after Professor Isaac Greenwood started them in Boston in 1727. Spencer's first lecture advertisements are in the May 30 issues of the Boston Evening Post and the Boston Weekly Post-Boy. Spencer's charge for attending his course was expensive, £6, but was popular nevertheless.
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