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Toby Gottfried is a computer programmer who has been solving edgematching
puzzles and using computers to study them since his college days in the 1970s. He has contributed great statistics on solution counts for our Multimatch I and II sets.
For Doris, he devised many of the geometric patterns, provided the statistics on the numbers of
solutions, and found some of the striking symmetric solutions. For
more information about Doris and other puzzles and games, visit his website, where you can also play some cool online puzzles. Find his Doris pages under Octamatch.
Toby gave a terrific presentation about his work on Doris at Doris' world premiere on March 28, 2008, at the 8th Gathering for Gardner in Atlanta, Georgia. He lives and teaches in California.
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