Belvis who together founded "The Revolutionary Committee of Puerto Rico" in New York. They were the planners of the short and failed 1868 revolt against Spain in Puerto Rico known as El Grito de Lares. Another prominent Puerto Rican who in 1871 immigrated to New York was Arturo Alfonso Schomburg, considered by many as the "Father of Black History". He became a member of the "Revolutionary Committee of Puerto Rico" and was an outspoken promoter of not only the independence of Puerto Rico, but of Cuba also. Origins of the Puerto Rican Flag Four other Puerto Ricans who moved to New York because of political reasons were Manuel Besosa, Antonio Vélez Alvarado, Juan Ríus Rivera, and Francisco Gonzalo Marín. These four Puerto Ricans joined the Cuban Liberation Army whose headquarters was in New York City. Some sources document Francisco Gonzalo Marín with presenting a Puerto Rican flag prototype in 1895 for adoption by the Puerto Rican Revolutionary Committee in New York City. Marín has since been credited by some with the flag's design. There is a letter written by Juan de Mata Terreforte which gives credit to Marin. The original contents of the letter in Spanish are the following: Which translated in English states the following: It is also believed that on June 12, 1892, Antonio Vélez Alvarado was at his apartment at 219 Twenty-Third Street in Manhattan, when he stared at a Cuban flag for a few minutes, and then took a look at the blank wall in which it was being displayed. Vélez suddenly perceived an optical illusion, in which he perceived the image of the Cuban flag with the colors in the flag's triangle and stripes inverted. Almost immediately he visited a nearby merchant, Domingo Peraza, from whom he bought some crepe paper to build a crude prototype. He later displayed his prototype in a dinner meeting at his neighbor's house, where the owner, Micaela Dalmau vda. de Carreras, had invited José Martí as a guest. In a letter written by Maria Manuela (Mima) Besosa, the daughter of the Puerto Rican Revolutionary Committee member Manuel Besosa, she stated that she sewed the flag. This message created a belief that her father could have been its designer. Even though Marín presented the Puerto Rican Flag in New York's "Chimney Corner Hotel", it may never be known who designed the current flag. What is known, however, is that on