Thomas Locker teaching a class in painting at Shimer College in 1969. From the December 1969 issue of the Shimer College Bulletin.

In the public domain both because it was published in the US prior to 1977 without a copyright notice or subsequent registration, and also because it was part of a duly authorized gift of a collection of materials by the College to the Regional History Center under which the copyright to the collection was "dedicated to the public."

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