Joseph Anton Steffan (c. March 1726 – c. April 1797) was a Bohemian classical era composer and harpsichordist. Steffan was born in Kopidlno, Hradec Králové Region, Bohemia in March 1726, the son of a schoolmaster and church organist. In 1741 he fled from the Prussian army to Vienna. He received his first musical lessons from his father but, in Vienna, he studied with..