The graduate course in alpine tectonics given in the fall of 1959–1960 at the University of Illinois, designed to provide specialized training in structural geology, was also utilized to give experience in discussing geology in French. Lecturing was carried on in two languages for six weeks; gradually the English was reduced and finally was dropped almost entirely. Most students took their notes chiefly in English, with side notes in French, or conversely when their knowledge of French was sufficient. Each student read widely in the French literature of the Alps, and presented two written reports. A final examination tested the students' ability to analyze contrasting hypotheses presented in a lengthy French essay which they had not seen previously. The course was successful and will be repeated in alternate years.