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Notice: College of DuPage is closed for Thanksgiving Recess from Thursday, Nov. 27, to Sunday, Nov. 30. The College will reopen on Monday, Dec. 1.

Thomas Ruehlmann

Thomas Ruehlmann

Thomas E. Ruehlmann

Professor, Biology

(630) 942-3064
Office: Health and Science Center (HSC), Room 2327
ruehlman@cod.edu