Today’s Google Doodle celebrates mathematics, and the 306th birthday of the 18th century’s pre-eminent mathematician, Leonhard Euler.Born and educated in Basel, Switzerland, Euler was ...

Leonhard Euler, one of the greatest mathematicians of all time, was born 300 years ago on April 15, 1707. Skip to content. Subscribe or renew today ...

Thus, a curved surface is approximated by a polyhedron with flat faces. No matter how the globe is triangulated, Euler’s formula holds. Euler’s Gem provides a bridge between geometry and topology.

Leonhard Euler, a Swiss mathematician who continued to work on complex equations from memory even after he went blind, is honored in Monday’s Google Doodle on the 306th anniversary of his birth.