Drs. Gross and Agnew, and the advance of 19th century medicine. [See learning resources here.](https://smarthistory.org/seeing-america-2/eakins-gross-agnew/) Thomas Eakins, _Portrait of Dr. Samuel D. Gross (The Gross Clinic)_ , 1875, oil on canvas, 243.8 x 198.1 cm (Philadelphia Museum of Art) and Thomas Eakins, _The Agnew Clinic_ , 1889, oil on canvas, 214 cm × 300 cm (Philadelphia Museum of
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