Inventor of Electron Microanalyzer and Electron Microscope - Signed Cover

Description

James Hillier (b. 1915 – d. 2007) was a Canadian-American scientist and inventor who designed and built the first electron microscope in North America in 1938.
In 1944, James Hillier and Richard Baker built the first electron microanalyzer, which partnered an electron microscope with an energy-loss spectrometer for analyzing low atomic number elements.
Sir Isaac Newton cover, hand-signed by James Hillier, and inscribed
Inventor of the Electron Microanalyzer.