The Atomic Era 1
Abstract
Six stamps.
Description
One stamp of Greek philosopher, Democritus, who "tried to explain why various substances differed in density." Five stamps from several locations of philosopher Galileo Galilei who was "virtually the founder of dynamics."
Keywords
Stamp collecting, Galilei, Galileo, 1564-1642, Democritus, Atoms, Philosopher, Density, Dynamics, Postage-stamp albums