As a young teen, Antonio Maldonado began working in the Rosado Art Sign Shop along side the owner, Juan Rosado. Soon after beginning his apprenticeship, Antonio begins studying at the Labra School and started to collaborate with Carlos Raquel Rivera and Rafael Tufiño, among others. Later he studied with the teachers Alejandro Sánchez Felipe, Gretchen Wood, and with Cristóbal Ruiz and was allowed to take classes at the University of Puerto Rico. Upon returning from service in WWII, In 1947, the GI Bill allowed Maldonado to travel to Mexico to study at the National School of Plastic Arts of San Carlos, where he remained until 1950. In 1957 Maldonado joined the graphic arts workshop of the Division of Community Education (DivEdCo). In 1963 he was appointed director of the section, until his retirement in 1987. His poster for the 1971 DivEdCo Christmas Programme was selected by UNICEF as his official Christmas card; it was printed in six languages and circulated throughout the world.
There are other works by Antonio Maldonado available for acquisition and research not presented below.