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Michael Hartl’s Substack is currently focused on math and math learning, including announcements about Tau Day and The Tau Manifesto. Posts include discussions of select mathematical topics (including proofs) as well as curated recommendations for books and YouTube channels.
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People
Physicist, educator, and entrepreneur. Founder of Tau Day, author of The Tau Manifesto. Formerly of Learn Enough and the Rails Tutorial. “Hartl understands physics deeply… and like Feynman he is an outstanding pedagogue.” —Kip Thorne