2639441 Professionals at Rehearsal, 1883 (oil on canvas) by Eakins, Thomas Cowperthwait (1844-1916); 40.6x30.5 cm; Philadelphia Museum of Art, Pennsylvania, PA, USA; (add.info.: This painting was especially important for Eakins because it was commissioned by the New York collector Thomas B. Clarke, one of the era\'s most prominent patrons of American art.); 穢 Philadelphia Museum of Art ; The John D. McIlhenny Collection; American, out of copyright.