1. Santiago Polanco-Abreu was the 10th Resident Commissioner of Puerto Rico.

1. Santiago Polanco-Abreu was the 10th Resident Commissioner of Puerto Rico.
Santiago Polanco-Abreu was admitted to the bar in 1943 and practiced law in Isabela and San Juan.
Santiago Polanco-Abreu served as member of the American Bar Association and Puerto Rico Bar Association.
Santiago Polanco-Abreu was one of the founders of the Institute for Democratic Studies in San Jose, Costa Rica.
Santiago Polanco-Abreu served in the House of Representatives, Commonwealth of Puerto Rico from 1949 to 1964.
Santiago Polanco-Abreu was appointed speaker of the house from 1963 to 1964.
Santiago Polanco-Abreu was elected as a Popular Democrat to be Resident Commissioner of Puerto Rico to the United States Congress, November 3,1964, for the term ending January 3,1969.
Santiago Polanco-Abreu was an unsuccessful candidate for reelection in 1968.
Santiago Polanco-Abreu was a resident of San Juan, Puerto Rico, until his death there on January 18,1988.
Santiago Polanco-Abreu was interred at the Isabela Municipal Cemetery in Isabela, Puerto Rico.