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William Sulzer (March 18, 1863 – November 6, 1941) was an American lawyer and politician, nicknamed Plain Bill Sulzer. He was the 39th Governor of New York and a long-serving congressman from the same state. He was the first and so far only New York Governor to be impeached. He broke with his sponsors at Tammany Hall, and they produced convincing evidence that Sulzer had falsified his sworn statement of campaign expenditures.

D.W. Sullivan was a student in the School of Mining at Queen's University.

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The Sudbury Neutrino Observatory (SNO) results have provided revolutionary insight into the properties of neutrinos and the core of the sun. The detector was built 6800 feet under ground, in INCO's Creighton mine near Sudbury, Ontario, Canada. SNO was a heavy-water Cherenkov detector designed to detect neutrinos produced by fusion reactions in the sun. It used 1000 tonnes of heavy water loaned from Atomic Energy of Canada Limited (AECL), and contained by a 12 meter diameter acrylic vessel. Neutrinos reacted with the heavy water (D2O) to produce flashes of light called Cherenkov radiation. This light was then detected by an array of 9600 photomultiplier tubes mounted on a geodesic support structure surrounding the heavy water vessel. The detector was immersed in light (normal) water within a 30 meter barrel-shaped cavity (the size of a 10 story building!) excavated from Norite rock. Located in the deepest part of the mine, the overburden of rock shielded the detector from cosmic rays. The detector laboratory, still functioning as part of the new SNOLAB facility, is extremely clean to reduce background signals from radioactive elements present in the mine dust which would otherwise hide the very weak signal from neutrinos.
The first co-spokesmen for the SNO collaboration when it was established in 1984 were Professor Herb Chen from U California, Irvine and Professor George Ewan, Queen’s University.
The director of the experiment, Art McDonald, was co-awarded the Nobel Prize in Physics in 2015 for the experiment's contribution to the discovery of neutrino oscillation.
The underground laboratory has been enlarged into a permanent facility and now operates multiple experiments as SNOLAB. The SNO equipment itself is currently being refurbished for use in the SNO+ experiment.

Alfred D. Sturrock was a baritone singer.

Herbert Bernard Sturgess was born in the north end of Kinsgton (a fact he is very proud of), in his home at 37 Dufferin Street (now the sight of a large grocery store), 17 June 1936. As the house was directly across the street from Robert Meek School, he did not have far to go to attend classes. With the untimely death of his father, Herbert Georege Sturgess, at age forty-four, Herb Sturgess at fourteen, was forced to look for work in order to help support his mother and siblings. Herb Sturgess passed away 17 June 2011.