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He revolutionized amateur astronomy.
http://www.universetoday.com/108150...f-the-popular-dobsonian-telescope-dead-at-98/
http://www.skyandtelescope.com/news/John-Dobson-1915ndash2014-240456881.html
http://www.universetoday.com/108150...f-the-popular-dobsonian-telescope-dead-at-98/
http://www.skyandtelescope.com/news/John-Dobson-1915ndash2014-240456881.html
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