Archivo: FieldsMedalFrontArchimedes

Descripción: The photo carries no copyright and may be freely used for publications. IMU requests, though, that Stefan Zachow's authorship is duly acknowledged. This is the medal that was declined in 2006 by en:Grigori Perelman for his work on the en:Poincaré conjecture. Source: The International Mathematical Union (with more detailed information about copyright at an image description page there)
Título: FieldsMedalFrontArchimedes
Créditos: Originally from en.wikipedia; description page is/was here.
Autor(a): Stefan Zachow. The original uploader was Geometry guy de Wikipedia en inglés. Later versions were uploaded by Ianmacm at en.wikipedia. The original uploader was Geometry guy de Wikipedia en inglés.
Permiso: (PD-AUTHOR; Released into the public domain (by the author).)
Términos de Uso: Dominio Público
Licencia: Dominio Público
¿Se exige la atribución?: No