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Author: WikiMatrix
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English[en]
The idea of the Centennial Exposition is credited to John L. Campbell, a professor of mathematics, natural philosophy and astronomy at Wabash College, Crawfordsville, Indiana.
Swedish[sv]
Idén om en världsutställning som denna presenterades av John L. Campbell, professor i matematik, naturlig filosofi och astronomi vid Wabash College, Crawfordsville, Indiana.