Copyright
The pictures of Einstein and Gauss have been found on the
internet and don't seem to be protected by any Copyright.
The picture of Savant Cosinus is used with Permission from The Paris Pages. It has been
download from the site http://www.paris.org/Expos/Cosinus/.
This picture has been scanned by Thomas Netter from the book
L'idée fixe du Savant Cosinus by Christophe
published by ARMAND COLIN.
For any comments and complaints please write to h03@lpt.ens.fr
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