Kopp Herman, from 1866 until 1889
Photograph of hermann kopp (1817 - 1892), the german chemist. Date: from 1866 until 1889.
Author: Photograph: Ed. Schultze Heidelberg Plöckstrasse 79 – Verlag von Wilhelm Engelmann Leipzig – Meisenbach Riffarth & Co. Berlin, grav.Source: https://commons.wikimedia.org/Loading...