John Henry Poynting blue plaque

This blue commemorative plaque records: John Henry Poynting FRS 1852-1914 Physicist, born in Monton discovered the Poynting vector, and weighed the earth. Attended this Church until 1878 Recorded plaque organisation: Institute of Physics.

John Henry Poynting was a physicist who made significant contributions to electromagnetic theory through his discovery of the Poynting vector, which describes the flow of energy in an electromagnetic field, and attempted to measure the gravitational constant to determine Earth's mass.