Paul Émile Lecoq de Boisbaudran:
Lecoq de Boisbaudran was a French chemist.
Birth:
April 18, 1838 in Cognac, France
Death:
May 28, 1912 in Paris France
Claim to Fame:
Lecoq de Boisbaudran was a French chemist who used Kirchhoff's spectroscopy techniques to discover the elements gallium, samarium, and dysprosium.
