File:Moral Sciences Club minutes, dated Oct 26, 1946.JPG

Licensing
Description: Minutes of the Moral Sciences Club meeting in the Gibbs building, King's College, Cambridge in October 1946, when Wittgenstein and Popper famously clashed over the nature of philosophy. Wittgenstein reportedly waved a hot poker at Popper before leaving the meeting in a huff. The minutes are dated October 26, a Saturday (the usual date of meetings), but John Eidinow and David Edmonds write that meetings had been moved to Fridays, or this one had, to avoid clashing with the weekly meeting of the Cambridge Apostles, which Wittgenstein also attended.

More information: See Eidinow, John and Edmonds, David. "When Ludwig met Karl...", The Guardian, 31 March 2001, and "Wittgenstein's Poker by David Edmonds and John Eidinow", The Guardian, 21 November 2001.

Source: An exhibition at Cambridge University philosophy faculty organized in 2007 by Ben Colburn (Twistan on Flickr), a philosopher at Corpus Christi. Colburn uploaded the image of the minutes to Flickr. 

Copyright: The author, Wasfi Hijab, the Moral Sciences Club secretary. I will try to find Hijab to request a release, but in the meantime I am claiming fair use on the grounds of the historical significance of the image. The copyright of this photograph of the minutes is held by Ben Colburn. The photograph was taken on September 21, 2007.

Rationale for use in Cambridge University Moral Sciences Club
Though this image is subject to copyright, its use is covered by the U.S. fair use laws, and the stricter requirements of Wikipedia's non-free content policies, because:
 * 1) It is an historically significant image of the minutes of a meeting that have entered into philosophy folklore.
 * 2) It is being used only for informational purposes in a section of the article that is about the meeting.
 * 3) Its inclusion adds significantly to the article because the historical significance of the meeting is the object of discussion in that section.
 * 4) It has no monetary value that is affected by our use of it.
 * 5) There is no free-licence equivalent or the possibility of obtaining one.

Rationale for use in Wittgenstein's Poker
Though this image is subject to copyright, its use is covered by the U.S. fair use laws, and the stricter requirements of Wikipedia's non-free content policies, because:
 * 1) It is an historically significant image of the minutes of a meeting that have entered into philosophy folklore.
 * 2) It is being used only for informational purposes in an article about a book that was written about the meeting.
 * 3) Its inclusion adds significantly to the article because the historical significance of the meeting is the subject matter of the book.
 * 4) It has no monetary value that is affected by our use of it.
 * 5) There is no free-licence equivalent or the possibility of obtaining one.