Alberto De Jesus Mercado (born 1958) -better known as Tito Kayak- is an environmental activist from Jayuya, Puerto Rico. He was one of the most outspoken activists of the Navy-Vieques protests as well as other struggles involving danger to the environment in the island. Kayak gained great notoriety after the 1999 death of David Sanes, when a group of Vieques natives and people from all over Puerto Rico and from some other countries began protesting. Wikipedia
The definitive Wikipedia entry for Tito Kayak. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Tito_Kayak