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Re:The descent to C by thirsteh on Tuesday January 28, 2014 @01:57AM (#7135766)
He wrote PuTTY and all of the assorted tools. I'd say that's a fairly large codebase.

Also, one of the main reasons Go was created was that the authors were tired of the compile times caused largely by preprocessing.

Re:The descent to C by reirob on Tuesday January 28, 2014 @04:35AM (#7136220)
And he wrote a Collection of Puzzle games that work across different operating systems including Android: http://www.chiark.greenend.org.uk/~sgtatham/puzzles/

I would say Simon Tatham definitely has good experience in programming.