Complex sentence: Heinrich Leopold Wagner (February 19,1747, Strasbourg--March 4,1779, Frankfurt) was a German dramatist, known for his 1776 tragedy "Die Kindermörderin".
Split into simpler sentences: Heinrich Leopold Wagner (February 19,1747--March 4,1779) was a German dramatist. Wagner was born in Strasbourg and is chiefly known for his 1776 tragedy "Die Kindermörderin".