Mary_E_Walker_full_length By admin | Published October 13, 2017 | Full size is 535 × 768 pixels B-70903-3 Maria-Catherine-LeithHay-wearing-a-large-ruffled-skirt-and-shortwaisted-jacket-18601870 Dr. Mary Walker, Medal of Honor (c. 1866). HD-SN-99-01875, Mathew Brady Collection. Image via United States Army. Bookmark the permalink.