Lisa Block de Behar (Montevideo, Uruguay) obtained a doctorate from the École des Hautes Études en Sciences Sociales in Paris with a thesis on the rhetoric of silence. She was director of the School of Communication Sciences and professor of Semiotics and Theory of Interpretation at the University of the Republic, in Montevideo, and of Literary and Linguistic Theory at the Institute of Professors of that city. He is currently a professor of Communication Analysis at the University of the Republic. Her doctoral thesis, published in Mexico under the title A Rhetoric of Silence, won the Xavier Villaurrutia Prize for Literary Essay in 1984. Lisa Block has been a member of the "Nominating Committee" of the International Association for Comparative Literature (ICLA / AILC) and coordinator of the "Research and Project Committee" of the same institution. She has been a visiting professor and has given conferences and seminars on topics of linguistics, semiotics, literary theory, comparative literature and hermeneutics at North American, European, Latin American and Israeli universities. He obtained the Guggenheim and Fulbright scholarships. Currently, Lisa Block deals with a poetics of disappearance, formulated from the very nature of the word, its relations with the space of writing, the ways in which fiction and reflection imagine literalness, resources and the recurrences of quotations, the correspondences between showing and saying and the uncertainties that technology introduces in the discourse of fiction. He recently obtained the "Prize Research Award" from the Alexander von Humboldt Foundation.