* Astronomy

Gérard Henri de Vaucouleurs (25 April 1918 - 7 October 1995) was a French astronomer.
He specialised in the study of galaxies and was co-author of the Third Reference Catalogue of Bright Galaxies. His specialty included reanalysing Hubble and Sandage's galaxy atlas and recomputing the distance measurements utilising a method of averaging many different kinds of metrics such as luminosity, the diameters of ring galaxies, brightest star clusters, etc., in a method he called "spreading the risks."
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