Iguacén Borau was born in Fuencalderas, Spain. He was ordained a priest on June 7, 1941. He was the bishop of the Barbastro Diocese since October 11, 1970. Later, he was made Diocese of Teruel and Albarracín on September 23, 1974 and then to Diocese of Tenerife on August 14, 1984 where he remained until his retirement on June 12, 1991. 