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Euclid’s puzzling parallel postulate - Jeff Dekofsky

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Euclid, known as the "Father of Geometry," developed several of modern geometry's most enduring theorems--but what can we make of his mysterious fifth postulate, the parallel postulate? Jeff Dekofsky shows us how mathematical minds have put the postulate to the test and led to larger questions of how we understand mathematical principles.

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Animator Andres Bernal, Daniela Bernal
  • Director David Bernal
  • Editor Gustavo Martinez
  • Producer Nestor B. Macias, Sonia Rodriguez
  • Educator Jeff Dekofsky
  • Narrator Jeff Dekofsky

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