Captain Israel Williams founded Williams Bay, Wisconsin, in 1835. Williams and his two sons originally traveled to Wisconsin from their Massachusetts home to look for good farmland. Williams Bay was later named in honor of Captain Williams.
Until 1890, only a few families lived in Williams Bay. Instead, the land was used for road and railroad development. The first railroad came to Williams Bay in 1888. Shortly after, more people came to settle and the area became a vacation spot for wealthy Chicagoans. By 1894, Williams Bay contained a residential subdivision, school, church and several businesses. That same year, construction of Yerkes Observatory and the 40-inch refracting telescope began.
George Hale chose Williams Bay over 27 other locations, including Lake Forest, Illinois and Pasadena, California, to be the home of Yerkes Observatory for many reasons. First, Williams Bay was 80 miles away from Chicago. So, the location was outside of Chicago’s “smoke zone,” but was also still considered commuter distance. Because Williams Bay was a popular location for Illinois vacationers, the university built summer homes on part of the land to rent out to produce the astronomers’ salaries. Also, the land for the observatory was two miles away from a railroad station and 30 miles away from Lake Michigan, producing easy accessibility for people all over the world. Lastly, the observatory was built on the tallest hill, 1,050 feet above sea level, within a 100-mile radius of Chicago, which meant the telescope would observe the sky more clearly because higher air has fewer currents and less moisture.
The one issue with building Yerkes Observatory in Williams Bay was the closeness of Lake Geneva. Hale worried that the lake would worsen observing conditions from larger amounts of fog and wind. Hale talked with astronomers from the University of Wisconsin-Madison whose observatory was similarly placed on Lake Mendota. The UW-Madison astronomers assured Hale that Lake Geneva would not be a problem because the surface area of the lake was not large enough to produce atmospheric disturbances.
From 1894-1897, Yerkes Observatory was constructed in Williams Bay on a plot of land that was donated to the University of Chicago. Finally, on October 31, 1897, Yerkes Observatory and the 40-inch refracting telescope opened to begin work that was thought by Hale to “make any work done at other observatories to be rendered useless.”
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Object story created December, 2014
Featured image courtesy of the Wisconsin Historical Society, Image ID 117998