John Little
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For other uses, see John Little (disambiguation).
John D. C. Little is an Institute Professor and the Chair Management Science at the MIT Sloan School of Management.
He formed the Little's law in 1961. It states: "The average number of customers in a system (over some interval) is equal to their average arrival rate, multiplied by their average time in the system." A corollary has been added: "The average time in the system is equal to the average time in queue plus the average time it takes to receive service."
Prof. Little is considered to be a founder of marketing science.