Gustavo Arcos Bergnes (December 19, 1926 - August 8, 2006) was a fellow Cuban revolutionary alongside Fidel Castro who later became an imprisoned dissident of the government. Arcos has been described as "a symbol of the opposition, and the dean of the opposition". Born in the small town of Caibarien, Arcos met Castro while the two attended law school at the University of Havana. Wikipedia
The definitive Wikipedia entry for Gustavo Arcos. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Gustavo_Arcos