He was born in Pest, Hungary, the son of the actor, singer and theatre director Nikolaus Alois Hölzel (1785–1848) who managed the Landestheater in Linz from 1819 until 1924.[2] His mother Elisabeth Hölzel (née Umlauf) was an operatic contralto, daughter of composer Ignaz Umlauf, and sister of composer Michael Umlauf.[3] At the age of sixteen, Gustav made his operatic debut in Sopron, and his career continued in Graz (1830–1832), the Theater in der Josefstadt in Vienna (1833–1837), and the Königsstädtisches Theater in Berlin (1837–1838). He pursued further training in Paris in 1838 before joining the Stadttheater Zürich where he was engaged from 1838 until 1840.[3] In 1840, he joined the Court Opera at the Theater am Kärntnertor in Vienna.[1]
Gustav Hölzel was also a prolific composer of piano music and songs. Among the latter are a setting of Ludwig Uhland's "Sonntag", Op. 226, and three settings of poems by Heinrich Heine, "Die schönsten Augen", Op. 68, "Wasserfahrt", Op. 73, and "Meine Sehnsucht von H. Heine" ("Mädchen mit dem roten Mündchen"), Op. 32.[7]
^ abFlüggen, Ottmar G.: Biographisches Bühnen-Lexikon der Deutschen Theater: von Beginn der deutschen Schauspielkunst bis zur Gegenwart, München: Bruckmann, 1892.