Plaskett, John Stanley

PLASKETT, John Stanley, astronomer (b 17 Nov 1865, Hickson, ON; d 17 Oct 1941, Esquimalt). Educated at the Univ of Toronto, he was one of the original staff when the Dominion Observatory was formed in Ottawa in 1903. He became an expert in spectroscopy and pioneered research on the rotation of the Milky Way Galaxy. He successfully pressed the federal government to build a new, larger telescope and supervised construction of the 1.85-m instrument at the DOMINION ASTROPHYSICAL OBSERVATORY north...

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