April 4 - June 3: Outsider Artists from Havana at the Frost Art Museum: Misleidys Castillo and Jorge A. Hernandez, El Buzo. Outsider artists, or artists who work apart from mainstream art communities and academic culture, are self-taught. National Art Exhibitions of the Mentally Ill (NAEMI) is a nonprofit organization based in the United States, founded in 1988 by Juan Martin, the current Executive Director.