Charles Darwin

1809 - 1882

 

164 years since first publication
of "On the Origin of Species"
on 24 November 1859.

Science

The dictionary* definition of science is:

• systematic knowledge of natural or physical phenomena
  
  
• truth ascertained by observation, experiment and induction
  
  
• ordered arrangement of facts
  
  

The etymological** derivation of science is from the Latin scientia, knowledge and sciscere, to seek to know.

*	Collins National Dictionary, 1966
**	Partridge, Origins (a short etymological dictionary of modern English), 1958 - 1966

Dmitri Mendeleev

1834 - 1907

 

155 years since first publication of
"Periodic Table of Chemical Elements"
on 6 March 1869.