eHymns.org

Born : July 12, 1806 in Berlin
Died : July 27, 1878 in Dünnow / Hinterpommern
He matriculated as a student of theology at the University of Berlin, Easter, 1826. In the autumn of 1829 he became tutor in a private school at Königs-Wusterhausen, near Berlin, where he worked manfully for the sick and dying during the cholera year 1831. He returned to Berlin in August, 1832, and acted as one of the editors of the well-known Geistlicher Lieder Schatz (referred to in this Dictionary as the Berlin Geistlicher Lieder Schatz), to which he contributed a number of hymns, and for which he wrote the preface dated Dec. 11, 1832. In the autumn of 1834 he was ordained pastor of Wusterwitz, near Dramburg, in Pomerania; and in the end of 1849 was appointed Gossner's successor as Pastor of the Lutheran-Bohemian congregation (Bethlehemskirche) in Berlin. During a holiday visit to a married daughter at Dünnow, near Stolpemünde, he was taken suddenly ill, and died there July 27, 1878; his body being removed to Berlin and laid to rest in the graveyard belonging to his church (O. Kraus, 1879, p. 266; Allgemeine Deutsche Biographie, xvi. 261, &c). (https://hymnary.org/person/Knak_Gustav)
His song collection Zionharfe (1843) and his much sung Sterbelied (1843 or 1845), which was circa 1854 by Karl Voigtländer (1827-1858) , let me go. (https://translate.google.com/translate?hl=en&sl=de&u=https://de.wikipedia.org/wiki/Gustav_Knak&prev=search)