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Dec 10, 2022 at 7:53 history edited Martin Sleziak CC BY-SA 4.0
http -> https (the question was bumped anyway)
Nov 11, 2018 at 21:31 history edited Per Alexandersson CC BY-SA 4.0
added link to another G. Egan contribution
Nov 21, 2013 at 15:50 comment added Dan Ramras For the record, I completely agree with both Igor and Gerry.
May 12, 2012 at 12:08 history edited Zach N CC BY-SA 3.0
Fixed 'Beal's Conjecture' link
Oct 31, 2010 at 10:39 comment added Gerry Myerson Igor, Dan specifically mentioned Harry Gindi's definition, which is highlighted in the question statement. It includes the phrase, "does not maintain any sort of professional connection with mathematicians in the research world." I don't think Dan was minimizing Egan's contribution, I think he was pointing out a difficulty with Harry's definition.
Oct 31, 2010 at 8:24 comment added Igor Khavkine It is true enough that Egan collaborated with Baez and Christensen. However, it is undisputable that professional mathematicians both collaborate and get credit for joint work. I don't see why the same would not apply to amature mathematicians. From my knowledge, Egan's contribution to those papers more than passed the bar for a coauthor on a mathematical paper.
Oct 31, 2010 at 5:26 comment added Gerry Myerson Lukasz, look again, Napoleon is definitely there.
Oct 30, 2010 at 23:52 comment added Timothy Chow On the list and worth mentioning explicitly IMO is Harry Lindgren, who has done some truly amazing work on geometric dissections.
Oct 30, 2010 at 21:55 comment added Łukasz Grabowski One guy which is missing from the list is Napoleon, who proved my <a href="mathworld.wolfram.com/NapoleonsTheorem.html">my favorite theorem in geometry</a>.
Oct 30, 2010 at 21:48 comment added Gerry Myerson I like some of the "primary vocations" given on that wikipedia page, e.g., Benjamin Franklin (founding father), and Abraham de Moivre (bon vivant).
Oct 30, 2010 at 21:30 comment added Dan Ramras Egan works closely with Baez and Dan Christensen, so one might argue that he doesn't meet Harry Gindi's definition of amateur. But actually, I think this is a very good example and I don't think connections with professional mathematicians make someone a professional (rather than an amateur).
Oct 30, 2010 at 21:12 history edited Kevin H. Lin CC BY-SA 2.5
added 15 characters in body
Oct 30, 2010 at 21:02 history edited Qiaochu Yuan CC BY-SA 2.5
edited body
Oct 30, 2010 at 20:47 history answered Łukasz Grabowski CC BY-SA 2.5