Johannes Hevelius

Johannes Hevelius ((1611-01-28)28 January 1611 – 28 January 1687) was a councilor and mayor of Danzig (Gdańsk), Pomeranian Voivodeship, in the Polish-Lithuanian Commonwealth. As an astronomer he gained a reputation as "the founder of lunar topography" and described ten new constellations, seven of which are still recognized by astronomers.

Read more about Johannes Hevelius:  Etymology, Early Life, Astronomy, Works