Karl Theodor Wilhelm Weierstrass was born on 31 October 1815. A German mathematician often cited as the 'father of modern analysis'. The lunar crater Weierstrass and the asteroid 14100 Weierstrass are named after him. Also, there is the Weierstrass Institute for Applied Analysis and Stochastics in Berlin. About this week's brain workout, Mr. Madfox writes: The task is to choose the right equations ... Read more

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