Original sentence: After completing his secondary education with the matura examination, he served as an officer in the Austrian army until the end of the war.After his death his significant poetic output fell into obscurity, but has been rediscovered in recent decades, and several of his poems have been set to music.He died in Vienna on 3 April 1958, and was buried in the Vienna Central Cemetary (30B - 1- 2) in a grave of honour (a grave given to particularly significant citizens).He was on the governing body of the Austrian PEN club, an association of persecuted writers, and in close contact with other members of the club like Elias Canetti, Erich Fried and Hilde Spiel.His literary output, almost exclusively poetry, brought him significant success, and he became well-known in the German-speaking world.In 1939 he was able against all the odds to secure emigration to the United Kingdom, first for his wife, and then for himself.In 1957 he was recalled to Vienna, where he received an honorary pension.In the 1950s he gradually withdrew from social contact, and his health deteriorated.Kramer's oeuvre consists of 10,000 works, many of which remain unpubished
Edited sentence: After completing his secondary education with the matura examination he served as an officer in the Austrian army until the end of the war.After his death his significant poetic output fell into obscurity, but has been rediscovered in recent decades.He died in Vienna on 3 April 1958 and was buried in the Vienna Central Cemetary (30B - 1- 2) in a grave of honour (a grave given to particularly significant citizens).He was in close contact with other members of the club like Elias Canetti, Erich Fried and Hilde Spiel.He was on the governing body of the Austrian PEN club, an association of persecuted writers.His literary output, almost exclusively poetry, brought him significant success and he became well-known in the German-speaking world.In 1939 he was able against all the odds to secure emigration to the United Kingdom, first for his wife and then for himself.In 1957 he was recalled to Vienna where he received an honorary pension.In the 1950s he gradually withdrew from social contact and his health deteriorated.Kramer's oeuvre consists of 10,000 works, many of which remain unpublished.Several of his poems have been set to music