Guldin

Paul Guldin

Born: 12 June 1577 in St Gall (now Sankt Gallen), Switzerland
Died: 3 Nov 1643 in Graz, Austria

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Paul Guldin taught at Jesuit Colleges in Rome and Graz. He was also professor of mathematics at Vienna. He corresponded with Kepler, but on religious topics not mathematics or astronomy.

His most important work is in 4 volumes. In volume 1 centres of gravity are considered. Volume 2 contains Guldin's Theorem

If a plane figure is rotated about an axis in its plane then the volume of the solid body formed is equal to the product of the area with the distance travelled by the centre of gravity .

Volume 3 contains work on cones, cylinders and solids of revolution.

Other Web sites:

Rice University, USA

References:

  1. Dictionary of Scientific Biography
  2. C Sommervogel, Bibliothèque de la Compagnie de Jésus II (Brussels-Paris, 1891), 1946-1947. 
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JOC/EFR February 1996