GRC-F-037112-0000 CLARA BARTON (1821-1912). American nurse and founder of the Red Cross: oil over a photograph, c1866, by Mathew B. Brady. Credit: Granger, NYC/Alinari Archives WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Brady, Mathew Benjamin Collection: Granger, NYC/Alinari Archives Object type: digital image Photographic technique: P digital image Technical info Image sizes (pixel): 2522 X 3240 Image sizes (cm at 300 dpi): 21 X 27 Image sizes (MB): 2.52 Color space: RGB