The event takes place from 2:30 to 5 p.m. Sunday, Oct. 11, at the Egyptian Theater, 135 N. Second St. in downtown DeKalb.
Born in Ulm, Germany, Osterle attended the universities of Tubingen, Frieburg and Munich, where he received a Master of Arts degree. After a successful Fulbright fellowship at Brown University, he earned his Ph.D. there in German literature.
He began his teaching career at the George Washington University in 1960. He taught at New York and Yale universities before coming to NIU in 1972.
In his 38-year academic career, he edited and co-authored four books, presented 25 papers at professional meetings, published 29 peer-reviewed articles and 37 critiques and book reviews, and supervised many doctoral candidates.
Survivors include his wife of 55 years, two of their three children and six grandchildren.