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Yerkes Observatory

373 West Geneva Street
262-245-5555

By chance the new Professor of Astrophysics at the University of Chicago, George Hale, discovers that two optically perfect disks are available. These 42-inch "blanks" could be ground to create a 40-inch refracting telescope, the largest in the world. He and the dynamic president of the university set off to find a donor willing to purchase these disks; build the telescope; and pay for a "suitable observatory" to house the World's Largest Telescope. For more in depth history, visit the links on the left hand side of the page.



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