Leonhard Euler

(15 April 1707 – 18 September 1783)

A portrait of Euler.
Euler's portrait by Jakob Emanuel Handmann (1753).

A glimpse on Euler's life.

Some of Euler's Famous Works

e = 2.7182...

Euler's Number


One of the most important numbers in Mathematics and it also shows up in almost every field where numbers are involved. It is the base of natural logarithm (image from Popular Mechanics).

Image of Euler's Identity.

Euler's Identity


Dubbed the most beautiful equation in Mathematics as it contains all the important numbers. It is an important equation in Physics and Engineering (image from Live Science).

“Nothing takes place in the world whose meaning is not that of some maximum or minimum.” - Leonhard Euler

You can read more about Euler's life in this Wikipedia entry.