Benjamin Blackford

American surgeon and botanist

Union United States Army soldier

American surgeon, statistician, United States Army officer, designer of New York Public library

American surgeon and botanist

18th U.S. Army Surgeon General from 1893 to 1902

American physician and missionary

American politician

American Civil War surgeon

American Civil War surgeon

American surgeon and medical educator

American physician and Confederate Army officer

American surgeon, statistician, United States Army officer, designer of New York Public library

American scientist

American physician and army surgeon

Surgeon in the Union Army during the American Civil War

American physician, artist, 1831-1905

American surgeon

American surgeon

American physician

American surgeon