For it is the duty of an astronomer to compose the history of the celestial motions through careful and expert study.
-- Nicolaus Copernicus
   
Nicolaus Copernicus   Name:
Nicolaus Copernicus
Type:
Scientist
Nationality:
Polish
Birth:
February 19, 1473
Death:
May 24, 1543
https://www.nutquote.com/quote/Nicolaus_Copernicus