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Close view of the southeast corner, with the dome in the background; SS Luca e Martina (the church of the painter's guild Accademia di S Luca in Rome) is planned as a Greek cross with apsidal endings and a dome over the crossing, set on a drum. The internal wall surface is vigorously articulated with pilasters and paired free-standing columns recessed under a continuous entablature, recalling Michelangelo's usage at the Biblioteca Laurenziana in Florence. The lower storey of the façade is structured in the same way, with engaged columns and projecting pilasters. In both storeys of the façade the wall describes a gentle convex curve between the central bay and the coupled pilasters at the sides: thus a main theme of Baroque church façade design appeared in Rome. Source: Grove Art Online; http://www.groveart.com/ (accessed 11/5/2007)