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Michael Hartl is an American physicist, author, and entrepreneur. He is best known as the creator of the Ruby on Rails Tutorial, founder of Tau Day, and author of The Tau Manifesto, in which he proposes replacing pi with tau.
Michael Hartl is an American physicist, author, and entrepreneur. He is best known as the creator of the Ruby on Rails Tutorial, founder of Tau Day, and author of The Tau Manifesto, in which he proposes replacing pi with tau.
