H.L. Helmholtz (1821-1894) postal stamp released in West Berlin--1971 in Germany--1994.
Pai-Dhungat
J V
JV
Dept. of Medicine, TN Medical College and BYL Nair Ch. Hospital, Mumbai.
Parikh
Falguni
F
D005858:Germany; D005860:Germany, West; D049672:History, 19th Century; D006801:Humans; D055095:Optics and Photonics / Q000266:history; D010678:Philately; D010825:Physics / Q000266:history; D010827:Physiology / Q000266:history