>>ahoka+(OP)
Timsort, the Zen of Python, and many other things. Over 2500 commits to the CPython repository overall (11th on the all-time list). Quite good at explaining details of how floating-point works, especially as relates to Python, IMX. And extraordinarily helpful over a long period of time:
https://stackoverflow.com/search?q=user%3A2705542+is%3Aanswe...