technologies to archaeology. Pablo A. Ferrari, Professor of Mathematics, University of São Paulo, Brazil: Space-time behavior, quasi-stationarity, and random environment for interacting particle systems. Paz Alicia Garciadiego, Screenwriter, Mexico City: Screen writing. Roberto Gargarella, Professor of Constitutional Law and Legal Philosophy, Universidad Torcuato di Tella, Buenos Aires, Argentina: The philosophical bases of South American constitutionalism, 1810-1860. Jorge Daniel Gelman, Professor of History, University of Buenos Aires, Argentina: The state and the agrarian question in Buenos Aires in the first half of the 19th century. Guillermo Giucci, Adjunct Professor of Brazilian Literature, State University of Rio de Janeiro, Brazil: A cultural biography of Gilberto Freyre. Flavio Grynszpan, Assistant Professor, The Scripps Research Institute, La Jolla, California: Towards the design and synthesis of artificial enzymes. Nibaldo C. Inestrosa, Professor of Molecular Neurobiology, Catholic University of Chile, Santiago: A study of the interaction of cholinesterases with the amyloid-β peptide. Leopoldo Infante, Associate Professor of Astrophysics, Catholic University of Chile, Santiago: Formation and evolution of structure in the universe. Noemi Lapzeson, Choreographer, Teacher, and Artistic Director, Vertical Danse-Company Noemi Lapzeson, Geneva, Switzerland: Choreography. Pedro Lemebel, Writer, Santiago, Chile; Radio Commentator, Radio Tierra Purísima, Santiago: Chronicles of a sinner. Enrique P. Lessa, Professor of Evolution, University of the Republic, Montevideo, Uruguay: Geographic genetic structure in the Rio Negro tuco-tuco. João Gilberto Noll, Writer, Porto Alegre, Brazil; Columnist, Folha de S.Paulo: Fiction. Osvaldo L. Podhajcer, Professor of Biochemistry and Molecular Biology, University of Buenos Aires, Argentina; Head, Gene Therapy Laboratory, Fundacion Campomar, Buenos Aires: Molecular mechanisms associated with human melanoma progression. Rosângela Rennó, Artist, Rio de Janeiro, Brazil: Multimedia and installation art. Mario Sagradini, Artist, Montevideo, Uruguay: Installation art. Arthur Simms, Artist, Long Island City, New York; Preparator, Museum of Modern Art, New York City: Sculpture. Heinz R. Sonntag, Professor of Sociology and Senior Researcher, Center for Development Studies, Central University of Venezuela, Caracas: Exclusion, poverty, integration, and cohesion in comparative perspective. Javier Téllez, Artist, Long Island City, New York: Installation art. Teresa Toledo Cabrera, Independent Researcher and Specialist in Latin American Film Documentation, Madrid, Spain: A dictionary of Latin American film directors. Henrique E. Toma, Professor of Chemistry, Institute of Chemistry, University of São Paulo, Brazil: Supramolecular complexes and devices. Sergio Vega, Artist, New York City: Installation art. Julia Vicioso, Architect, Rome, Italy: The role of the Columbus family palace in the development of colonial Latin American architecture. Mariana Villanueva, Composer, Morelos, Mexico: Music composition.