Lorenzo Homar met Pedro Alcántara at the Primera Bienal de San Juan del Grabado Latinoamericano [First Latin American Print Biennial, San Juan] and from then on they were close friends.
In the end, the exhibition held at the Museo La Tertulia in Cali, Colombia, in 1972, was entitled, El cartel en Puerto Rico, Gráfica de Lorenzo Homar[The Poster in Puerto Rico: The Graphic Art of Lorenzo Homar].
In 1972, Lorenzo Homar gave a workshop in silkscreen at the Universidad Interamericana, San Germán campus, in Puerto Rico. Later, the Museo La Tertulia in Cali, Colombia, invited him to give a course on silkscreen to a group of Colombian artists. During the ten-day workshop, artists Pedro Alcántara, Enrique Grau, and Phanor León were able to print silkscreens for the portfolio that Cartón de Colombia was putting together that year. For more information, see doc. No. 825488.
Lorenzo Homar (San Juan, 1913-2004) organized in 1957 the Taller de Gráfica [Graphics Workshop] at the Instituto de Cultura Puertorriqueña, which he directed until his resignation in 1973. Some of the foremost artists of Puerto Rican art studied printmaking techniques in this workshop. Homar inspired in them dedication and love for the art, for, as he once said: “There is no vocation without discipline, and without discipline there can be no freedom in art, or elsewhere.” Homar was one of the organizers of the First Bienal de San Juan del Grabado Latinoamericano held in 1970. He developed the technique of silkscreen and offered numerous workshops in and outside Puerto Rico.