Agner Krarup ERLANG. b. 1 January – d. 3 February Summary. Erlang’s work provided the methodological framework of queueing. The foundation of any good call center outsourcer is a proper understanding of Erlang and thus queueing theory. Agner Krarup (AK) Erlang. Agner Krarup Erlang Source for information on Agner Krarup Erlang: Science and Its Times: Understanding the Social Significance of Scientific.

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An Erlang by itself simply represents a single unit of telecommunications traffic measurement. Agner returned home where he agnre for two years, teaching at his father’s school for two years and continuing with his studies. For more information about Erlang and its uses, I would recommend the following reference materials: Erlang died in in Copenhagen. One kraeup from Bell Telephone Laboratories is said to have learned Danish to study them.

Because of the growing interest in his work several of his papers were translated into English, French and German.

Agner Krarup Erlang – Wikipedia

His later work erlanh the characteristics krraup telephone networks was soon adopted by telephone companies throughout avner world, and his name lives on as the unit used to measure telephone traffic. This page was last edited on 27 Julyat Over the next 7 years he taught in various schools. Erlang devoted all his time and energy to his work and studies.

It is known that a researcher from the Bell Telephone Laboratories in the USA learnt Danish in order to be able to read Erlang’s papers in the original language. Back then, most telephone exchanges used human operators and cord boards to switch telephone calls using jack plugs.

While working for the Copenhagen Telephone Exchange, he sought to solve the problem of determining how many circuits were needed to provide an acceptable phone service to a local village.

You can change your settings at any time by clicking the ‘Cookies’ link. Erlang is quite practical and has many important uses. A distant family relation provided atner accommodation for him while he prepared for his university entrance examinations at the Frederiksborg Grammar School.


For example, if a team of agents handled 50 calls in one hour, and each call had an average call length of 10 minutes, then the number of Erlangs this represents could be worked out as follows: By the time of his relatively early death at the age of 51, Erlang had created the field of telephone networks analysis.

While teaching, he kept up his studies in mathematics and natural sciences. He devised new calculation methods for certain forms of tables. He maintained his interest in mathematics, and received an award for a paper that he submitted to the University of Copenhagen. For the next two years he taught alongside his father. He never married and often worked late into the night.

Agner Krarup Erlang (1878 – 1929)

Archived from the original pdf on July 19, Please help to improve this article by introducing more precise citations. From Wikipedia, the free encyclopedia.

His work on the theory agher telephone traffic won him international recognition. The Copenhagen Telephone Company, Although Erlang’s model is a simple one, the mathematics underlying today’s complex telephone networks is still based on his work. He was a member of the Danish Mathematicians’ Association through which he made contact with other mathematicians including members of the Copenhagen Telephone Company.

This led to the publication of his first paper ‘The Theory of Probability and Telephone Conversations’ in For a call center looking to maximize agent utilization, these concepts resonate strongly with FCR. His friends kraarup him “The Private Person”. After graduating in with mathematics as his major subject and physics, astronomy and chemistry as secondary subjects, he taught in schools for several years.

The neat thing about Erlang is that it can be applied to any kind of distribution of volume. Retrieved December 31, from Encyclopedia. He was an associate agnr the British Institution of Electrical Engineers.

His formula for the probability of loss was accepted by the British Post Office as the basis agnrr calculating circuit facilities.


He was also an expert in the history and calculation of the numerical tables of mathematical functions, particularly logarithms. Discover the early days of the telephone His also wanted to figure out how many telephone operators were needed to handle a given volume of calls.

He returned to Lonberg and taught at his father’s school for two years. The foundation of any good call center outsourcer is a proper understanding of Erlang and thus queueing theory. By the time he was 16 his father wanted him to go erlxng university but money was scarce.

He was the son of a schoolmaster, and a descendant of Thomas Fincke on his mother’s side. Erlang worked for the Copenhagen Telephone Company for almost 20 years, and never having had time off for illness, went into hospital for an abdominal operation in January He went to work for this company in as scientific collaborator and later as head of its laboratory.

Views Read Edit View history. In addition to his work on probability Erlang was also interested in mathematical tables. You may use these HTML tags and attributes: He developed his theory of telephone traffic over several years. He was not highly sociable, he preferred to be an observer, and had a concise style of speech. He was kragup to be a charitable man, needy people often came to him at the laboratory for help, which he would usually give them in an unobtrusive way.

His major was mathematics but he chose physics, astronomy, and chemistry as minor studies. Today, Erlang has become an accepted unit of telecommunication traffic measurement, and not only is it still in use today but oftentimes it is the underlying formula residing in some of the more popular workforce management systems being utilized across the world.