H VON HELMHOLTZ/JOHNSON
HERMANN VON HELMHOLTZ German physicist, anatomist and physiologist in 1893
Picture No
10074599
Media ID
47262390
Size
3198px x 4542px
(3.4MB)
Credit
Mary Evans Picture Library
Source
Engraving by T Johnson after a photograph by Brady, taken in September 1893
Date
1821 - 1894
