Johannes Cruger (Composer)
Born: 9th April 1598, Guben, Germany
Died: 23rd February 1662, Berlin, Germany
Nationality: German
Johann Crüger is known as a German composer of well-known hymns. In reality, he was an ethnic Sorb, baptized as Jan Krygar. He was also the editor of the most widely used Lutheran hymnal of the 17th century, Praxis pietatis melica.
Read more at https://en.wikipedia.org/wiki/Johann_Crüger