Agner Krarup Erlang
![](https://upload.wikimedia.org/wikipedia/commons/f/fd/Erlang.jpg)
By the time of his relatively early death at the age of 51, Erlang had created the field of telephone networks analysis. His early work in scrutinizing the use of local, exchange and trunk telephone line usage in a small community to understand the theoretical requirements of an efficient network led to the creation of the Erlang formula, which became a foundational element of modern telecommunication network studies. Provided by Wikipedia
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