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Bharathi

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Stefan Banach

Born 30 Mar 1892; died 31 Aug 1945 at age 53.Polish mathematician who founded modern functional analysis and helped develop the theory of topological vector spaces. In addition, he contributed to measure theory, integration, the theory of sets, and orthogonal series. In his dissertation, written in 1920, he defined axiomatically what today is called a Banach space. The idea was introduced by others at about the same time (for example Wiener introduced the notion but did not develop the theory). The name 'Banach space' was coined by Fréchet. Banach algebras were also named after him. The importance of Banach's contribution is that he developed a systematic theory of functional analysis, where before there had only been isolated results which were later seen to fit into the new theory.

Sausage Factory

There once was a man who owned a sausage factory, and he was showing his arrogant preppy son around his factory. Try as he might to impress his snobbish son, his son would just sneer. They approached the heart of the factory, where the father thought, "This should impress him!" He showed his son a machine and said "Son, this is the heart of the factory. With this machine here we can put in a pig, and out come sausages.
The prudish son, unimpressed, said "Yes, but do you have a machine where you can put in a sausage and out comes a pig?"
The father, furious, thought and said, "Yes son, we call it your mother."    

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