Considered by many to be the greatest Puerto Rican playwright of modern times.
Born and raised in the city of Humacao, Puerto Rico. He enrolled in the University of Puerto Rico in 1955, earning a Bachelors of Arts degree. In 1959 he earned a Masters Degree in dramatic arts in City University of New York. He eventually went to Spain and earned his Doctorate in Literature in 1975, from the Complutense University of Madrid.
Sánchez's best known play is La Pasión según Antigona Pérez (The Passion of Antigona Perez), a tragedy set in present-day Latin America, suggested by Sophocles' Antigone.