working. Finally he settled in the city of Cali where he worked at the University of Valle and Universidad Santiago de Cali. In 1980 the University of Valle gave him the Honoris Causa for his research in psychology and in the day of the ceremony he read one of the most famous treaties in Colombia: "Praise to Difficulty" (Elogio a la Dificultad). He remained at the University of Valle for the remainder of his life, and finally died in Cali on February 17, 1990, at the age of 55. Zuleta founded several newspapers and magazines, such as Crisis (1957), Agitacion (1962) and Estrategias (1963). Thought Zuleta was also known as a well-respected scholar of philosophy specializing in Greek philosophers, Hegel, Marx, Heidegger, Sartre, and Freud, among others. References Bibliography http://www.estanislaozuleta.com https://web.archive.org/web/20120307152646/http://dintev.univalle.edu.co/cvisaacs/index.php?option=com_content&task=view&id=223&Itemid=96 University of Antioquia; Estanislao Zuleta interview CARMINA, Hector Fabio. Biografía de Estanislao Zuleta. Fundación Estanislao Zuleta, publicación Sapiens.com, Universidad del Valle, Cali, 3 de abril de 2001. 20th-century Colombian philosophers 1935 births 1990 deaths Colombian economists Colombian philosophers University of Valle faculty University of Antioquia faculty National University of Colombia faculty Free University of Colombia faculty People from Medellín