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Authorities are searching for a beloved college professor who vanished during a morning walk on Labor Day.

Northwestern University Professor Nina Kraus, 72, was reported missing on Monday, Sept. 1, after she was last seen leaving her residence on the 1500 block of Ashland Avenue in Evanston around 9 a.m., according to the Evanston Police Department.

Kraus, a communications professor and nationally recognized researcher in auditory neuroscience, was wearing a windbreaker, long pants, and carrying a dark-colored backpack when she left home. She is described as being approximately 5 feet 4 inches tall with long silver hair.

"The University is hopeful that with the community’s help, we can find Professor Kraus and assure he

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