Dictionary of Great Scientists [antikvár]

PREFACEToday, scientists by such means as observations, experimentations, measurements and generalizations of the facts deal with the systematic study of phenomena.The only tool available for the first scientists was observation. Through observation the first known branch of science was born. Astronomy. The heavens were studied and such data as the day and night cycles were observed and recorded.In ancient Greece, the scientists were concerned mainly with classification, the naming of matter and attempts at explaining natural phenomena.