By Nancy Bea Miller Many artists must work from home due to the constraints of finances or time. These two well-known portrait artists, Ellen Cooper and Alexandra Tyng, both maintain professional home studios by choice. Alex works right in her house while Ellen works in a building adjoining her home. Ellen has had a varied “studio history.” After art school she began working as a faux finisher, working on location in clients’ homes. When she began focusing on her painting pra