Peter Rafael Bloch (October 19, 1921 – July 31, 2008) was an art historian, writer and journalist and an expert of Puerto Rican music and art. He was fluent in four languages. Living in New York since 1949, he kept in contact with his home town Frankfurt am Main which he frequently visited in the last 14 years of his life. As time witness of the Third Reich he tirelessly spoke to the students of his former high school, and gave lectures and interviews in numerous Frankfurt institutions.