"2009Z"^^ . . "Roth, \u00C9tienne"@en . . "1922-06-05Z"^^ . "\u00C9tienne Georges Alfred Roth (born 5 June 1922 in Strasbourg, died 19 March 2009 in S\u00E8vres) was a French nuclear chemist, son of Professor George Roth and Marguerite Neymarck.From 1980-87 Roth served as the Director of Research for the separations and isotopic studies of Physical Chemistry Division (1980\u201387) at the Atomic Energy and Alternative Energies Commission."@en . . . . "2009-03-19Z"^^ . "French chemist" . "\u00C9tienne Roth"@en . "1922Z"^^ . .