Oscar E. Martínez, Professor of Physics, University of Buenos Aires: Development of new nanoscopies and nano-spectroscopies. Silvio Luis Mattoni, Poet, Córdoba, Argentina; Adjunct Professor of Aesthetics, National University of Córdoba; Literary Critic, La voz del interior: Poetry. Lina Meruane, Writer, Santiago, Chile; Columnist and Cultural Reporter, Diario El Mercurio: Fiction. Cristina Messineo, Associate Researcher, National Research Council of Argentina (CONICET); Professor of Linguistics, University of Buenos Aires: Language and style in Toba verbal art. Gabriela Ortiz Torres, Composer, Mexico City; Professor of Composition, National Autonomous University of Mexico (UNAM): Music composition. Ignacio Padilla, Writer, Querétaro, Mexico: Fiction. Margarita Paksa, Multimedia and Conceptual Artist, Buenos Aires, Argentina: Multimedia and conceptual art. Yolanda Pantin, Poet, Caracas, Venezuela: Poetry. Juan Pablo Paz, Member of the Technical Staff, Los Alamos National Laboratory, New Mexico; Associate Professor of Physics, University of Buenos Aires: Decoherence and quantum computation. Marco A. M. Prado, Associate Professor of Pharmacology, Federal University of Minas Gerais: Trafficking and activity regulation of the high-affinity choline transporter. Leticia Reina, Research Professor of History, National Institute of Anthropology and History, Mexico City: Political engagement by indigenous peoples in the 19th century. Luis A. Humberto Rodríguez Pastor, Director of Social Sciences, National Council of Science and Technology (CONCYTEC); Professor of Anthropology, National University of San Marcos: The Chinese of Lima and the Peruvian Chinese community. Homero Rubbo, Associate Professor of Biochemistry, University of the Republic, Montevideo: Nitric oxide and nitrated species in inflammation and human vascular disease. Aristides Osvaldo Félix Salerno Nuñez, Installation Artist, Asunción, Paraguay; Director, Museo del Barro, Asunción: Installation art. Ricardo D. Salvatore, Professor of History, Torcuato Di Tella University, Buenos Aires: Economic development and nutritional convergence in Argentina between the Great War and Peronism. Jorge Volpi, Writer, Mexico City: Fiction. External links John Simon Guggenheim Memorial Foundation home page 2004 2004 awards Gugg