Herman Cudris Castañeda

Stamps Category Science Herman Cudris Castañeda

OTTO Engine-Engineer Nicolas Otto (1832/91)-100 years of the German Internal Combustion Engine
Germany
Industrialization of Madagascar- Atomic Reactor-Atomic Energy-Stamp of 8 Fr-CFA Franc
Madagascar
USSR- Space Probe "Luna-9" - The Moon - 2 kopek stamp.
Russia
XXI International Congress of Physiological Sciences- Ivan Petrovich Pavlov (1849-1936) Physiologist.-
Argentina
Florentino Ameghino (1854-1911)-Self-taught Scientist-Naturalist-Paleontologist.
Argentina
Fight against Cancer- Pedro Curie - María Curie- 1 Cent of Balboa Stamp.
Panama
Geophysical Year-Globe with Orbits of the Russian Satellite Sputnik (Year 1957)-Stamp of 1.80 Sucre Ec
Ecuador
Apollo Flight 11 (1969) - Neil Armstrong - Michael Collins - Buzz Aldrin
Venezuela
Columbus Submarine 1977
Venezuela
The Sun - 10th Anniversary of the Humboldt Planetarium
Venezuela