Trip Report Visit ETH Zurich, 3–4 February 1975 by E. W. Dijkstra
Invited by Niklaus Wirth I gave three lectures at the Eidgenössische Technische Hochschule Zurich. The first one (Monday 16.00–18.00) was reasonably successful, the second one (Tuesday 11.00–12.00) was bad —at the end I lost my way in a trivial proof and had to give up—, the last one (Tuesday 14.15–16.00) went perfectly. For some reason I was very tense. For instance, I completely forgot to open each lecture (as usual) with a quotation! I also forgot the first day to invite “interrupting questions”. Niklaus suggested that at my second talk I should give the audience some “homework” for the break at lunch. I did so, but at the beginning of the second talk instead of at its end: one question was so intriguing that more than one member of the audience tried to solve the problem during the lecture.
KeywordsComputing Science Shared Object Fallacious Argument Program Composition Sunday Evening
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