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I know something about $327.68 Knuth reward check. However, I cannot find a comprehensive list of people rewarded for finding errors in TeX. I do know, that among them is Bogusław Jackowski (Twice, for TeX and METAFONT. In late 70's in Poland an annual salary was about the value of the "big" check). Marek Ryćko and Piotr Strzelczyk obtained "small" checks.

Any piece of information about other people, any source (well... not Wikipedia), any additional information would be very interesting for me.

Some of SX users are winners of Knuth's checks. Their knowledge may be invaluable.

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A partial list of people rewarded is available at www-cs-staff.stanford.edu/~knuth/address.html –  Papiro Apr 25 '13 at 1:19
    
@PrzemyslawScherwentke just now you have edited your question adding (well... not Wikipedia). Please, should I delete my answer? –  Papiro Apr 25 '13 at 19:00
    
@Papiro No, you shouldn't. The answer is, as we can see, valuable for others. However I had earlier known all sources, given in comments or in your answer. –  Przemysław Scherwentke Apr 25 '13 at 19:04

3 Answers 3

The TeX error log lists the people who have reported bugs that resulted in changes to TeX the program. I assume they all have cheques

generic/knuth/errata/errorlog.pdf

or just use the command

texdoc errorlog

in TeX Live at least.

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This file is entertaining reading, too. "14 Mar 1978: (Came in evening after sleeping most of day, to get computer at better time.)//(Some day we will have personal computers and will live more normally.)" –  Ryan Reich Apr 28 '13 at 22:42
    
@RyanReich TeX is designed for a different era:-) –  David Carlisle Apr 28 '13 at 22:43
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Direct link to pdf of the error log. –  enderland Apr 29 '13 at 1:20
    
@DavidCarlisle This is the type of information I have expected! To my surprise I have found only Bogusław Jackowski among potential Polish owners. I will check this piece of information in a few days. –  Przemysław Scherwentke Apr 29 '13 at 10:22
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@PrzemysławScherwentke it seems that a number of names are abbreviated ... couldn't find my name at all until I realized that it was reduced to two letters :-). On the other hand TeX is one of the programs with the lowest number of bugs whatsoever, you really had to come up with weird scenarios to make it trip, as a result there aren't that many different people who found bugs (compared to finding typos in his books). –  Frank Mittelbach May 1 '13 at 6:43

As a bit of history: Don told me at one point that he did chose Wells Fargo Bank for this because they had such nice checks at the time (with a carriage drawn by four horses - see picture) and that he therefore hoped most people would put the checks on the wall rather than cashing them:

enter image description here

These days I think they are no longer that beautiful, but I haven't seen one in the last years.

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Words cannot express the awesomeness. Wow! :) –  Paulo Cereda May 11 '13 at 0:47

From Wikipedia:

According to an article in the Massachusetts Institute of Technology's Technology Review, these rewards have been described as "among computerdom's most prized trophies". As of October 2001, Knuth reports having written more than 2,000 checks, with an average value exceeding $8 per check. As of March 2005, the total value of the checks signed by Knuth was over $20,000 (see NPR interview below). Very few of these checks are actually cashed, however, even the largest ones. More often they are framed or kept as "bragging rights".

"Intelligence: Finding an error in a Knuth text. Stupidity: Cashing that $2.56 check you got.” —Seen in a Slashdot signature, quoted by Edward O'Connor

EDIT: A list of people who have reported errors in Knuth's books from the beginning of 2006 to 9 March 2013 is available here.

EDIT: +1 :)

Dear Reader: Enclosed is a check for ninety-eight cents. Using your work, I have proven that this equals the amount you requested.

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The above is (of course) from: xkcd.com/816 --- it's well worth visiting the site to get the mouse-over. –  WillAdams Jul 30 '13 at 19:06
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xkcd 816 elaborated –  Peter Mortensen May 20 at 20:14

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