Telescopes in History
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20th Century Optical Engineers and Telescope Designers

John F. Gregory - Tom Cave - Bernhard Schmidt - Thomas M. Back - Roland Christen - Henri Chrétien - George Ritchey

 

 

 

 

 

 

 

Home . Beginnings . Messier's List . 19th Century . 20th Century . Legendary Glass . Amateur Finds . Dobson's Legacy . Webcam Revolution . Gallery
Isaac Newton . William Herschel . Johannes Kepler . Laurent Cassegrain . James Gregory . John Dolland . John Hadley . Alvan Clark . Thomas Grubb .
Carl Zeiss .Yerkes Observatory . Lick 36" Clark . US Naval Observatory . Grubb Reflector . Cave Optical . Unitron . Jaegers . Byers .Questar
Coulter . Edmond Scientific. Criterion . Celestron . Meade . Henry Fitz . Dmitri Maksutov