East Germany (1950 SG E24)
The Science Academy: von Helmholtz.
West Germany (1971 SG B394) 150th
birth anniversary of von Helmholtz.
West Germany (1994 SG2594) 100th
death anniversary of von Helmholtz.
Hermann von Helmholtz (1821-1894)
was born in Potsdam near Berlin. He studied medicine at the Kaiser-Wikhelm
Institute and did his clinical
training at Charite Hospital. He had a wide range of interest including
physics and chemistry. He made
many important discoveries and published widely on subjects such as nerve
conduction, visual and auditory
physiology and X-rays. His greatest contribution to ophthalmology
invention of the direct ophthalmoscope
in 1851. For the first time, the retina of the livings can be visualized
disease pathology studied.