John Gläser
John Gläser (12 June 1888 – 27 May 1968) was a German operatic tenor, voice teacher and Theaterfunktionär. His career as a performer spanned from 1911 up until 1942, after which he became a singing teacher in his later years.

Born in Berlin, Gläser was already a soloist of the Hof- und Domchor before he began his real singing studies in Berlin. His stage career started in 1911 at Theater Ulm. After that he was at the Landestheater Altenburg (Thuringia) and came to the Wrocław Opera in 1912. Five years later he went to the Oper Frankfurt, where he stayed until the end of his career. In Frankfurt he sang among others Elis on 21 January 1920 at the premiere of the opera "Der Schatzgräber" by Franz Schreker. Guest appearances took him to Berlin, Munich, Hamburg, Vienna and to the Salzburg Festival of 1926, where he sang Bacchus in "Ariadne auf Naxos". On the occasion of his 25th anniversary in Frankfurt in 1942, he gave his last performance as "Canio" in "Pagliacci". After that he continued to work as a singing teacher. From 1961 to 1963 he was also honorary president of the Guild of the German Stage.
Q27914
tenor
Concept
Q7939609
voice teacher
Concept
Q1235650
Theater Ulm
LOC
Q18752695
Landestheater Altenburg
LOC
Q1336270
Wrocław Opera
LOC
Q568931
Oper Frankfurt
LOC
Q1196664
Der Schatzgräber
MEDIA
Salzburg Festival of 1926
UNK
Q654633
Ariadne auf Naxos
ORG
Q248644
Pagliacci
MEDIA
Q1502473
Guild of the German Stage
ORG
Q24203654
John Gläser
PER
1888-06-12T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
12 June 1888
DATE
1968-05-27T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
27 May 1968
DATE
1911-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1911
DATE
1942-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1942
DATE
1911-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1911
DATE
1912-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1912
DATE
1920-01-21T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
21 January 1920
DATE
1926-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1926
DATE
1942-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1942
DATE
1961-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1961
DATE
1963-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1963
DATE
+25^^http://www.w3.org/2001/XMLSchema#decimal
25
NUMBER
date of birth
date of death
date of first performance