. . "Tom\u00E1s Batuecas Marug\u00E1n (1893 \u2013 1972) was a Spanish chemist, most notable for his work on atomic weights of the elements. Batuecas was a Professor of chemistry and Vice-Chancellor of the University of Santiago de Compostela."@en . . "1893Z"^^ . . "Batuecas, Tomas"@en . . . "Tom\u00E1s Batuecas Marug\u00E1n"@en . "Spanish chemist" . "0021Z"^^ .