Biography
Armando Diaz Matos was treasurer and later one of the directors of the Chicago junta. A federal grand jury indicted the party leaders on May 25, 1954 for seditious conspiracy, alleging a continuing campaign to end United States rule in Puerto Rico by force. A jury in the Southern District of New York convicted Armando Diaz Matos in October 1954. The court sentenced Armando Diaz Matos to six years in federal prison, and the Second Circuit affirmed the conviction on May 10, 1955.
Photo credit
Armando Diaz Matos, Puerto Rican sedition trial: 1954, Washington Area Spark Flickr archive. Portrait crop from the documentary photograph; used with permission.