Georgios Sinas

Georgios Sinas (Greek: Γεώργιος Σίνας; German: Georg Sina; Romanian: Gheorghe Sina; 20 November 1783 – 18 May 1856) was an Austrian–Greek entrepreneur and banker. He became a national benefactor of Greece and Romanians, and was the father of another Greek national benefactor, Simon Sinas. He was also the founder of the National Observatory of Athens.