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In Memoriam: Tim Peters 1952–2026

Lobsters · 6h ago

The Brief · written from 3 sources

Tim Peters, a long-time Python contributor and creator of Timsort, died at age 74 in Ashland, Wisconsin, according to a DEV Community article.
Guido van Rossum announced the death on discuss.python.org, reporting it somewhat delayed, per LWN.net.
Peters is best known for writing the Zen of Python (PEP 20) and for his work on Timsort and the Python Cookbook 2nd Edition.

Why it matters

Peters wrote Timsort, which Python uses for sorting, and PEP 20 (the Zen of Python), so his work is part of everyday Python code and practice.

Who’s affected

Python developers

#python
#obituary
#timsort
#open-source
#community

Read the full story at discuss.python.org ↗

What developers are saying

Based on 8 comments · Mixed reactions

Commenters on Hacker News mourn Peters and recall his influence on their early Python years, his Usenet posts, and his mentoring. Several cite the Zen of Python and Timsort as lasting parts of their work. A few note that a black bar was appropriate, and one criticises Guido van Rossum for not defending Peters during past conflicts with Python leadership.

Personal memories and gratitude45%
Zen of Python legacy20%
Mourning and condolences25%
Criticism of Python leadership10%

In favour

+ Peters was a generous, smart mentor who shaped many developers' skills
+ His Usenet posts and bug tracker work taught a generation of Python programmers

Concerns

− One commenter says Guido van Rossum should have defended Peters when he was targeted by Python leadership

“For me, Tim Peters was that guy. I first met Tim in person at the first PyCon at GWU where I rode an elevator with him and Barry Warsaw.”
linsomniac on Hacker News