Paul Ulrich Villard (1860 – 13 January 1934) was a French chemist and physicist, born near Lyon, France.

He discovered gamma rays in 1900 while studying uranium. At this time he was working in the chemistry department of the École Normale in rue d'Ulm, Paris.

He died in Bayonne, France.

External link

• The discovery of gamma rays

1860 births | 1934 deaths | French chemists | French physicists | Paul Villard | ポール・ヴィラール