Short answers, pulled from the story.
Alsergrund is the ninth district of Vienna, Austria. It is located just north of the first district, Innere Stadt, and covers 2.99 square kilometers. As of the 2001 census it had 37,816 inhabitants.
Freud was not born in Alsergrund but lived and worked there for decades. He moved to Berggasse 19 in 1891 and remained until 1938, when he fled to England after the annexation of Austria. The address is now the Vienna Sigmund Freud Museum.
Ludwig van Beethoven died in 1827 in his apartment at Schwarzspanierstraße 15 in Alsergrund, Vienna's ninth district.
Yes. Franz Schubert was born in Alsergrund in 1797. The Romantic composer died in 1828, before the district was formally incorporated in 1862.
Alsergrund hosts departments of the University of Vienna, TU Wien, and the University of Natural Resources and Life Sciences (BOKU). The University of Economics and Business was also based there until it moved to the second district in 2013.
The biggest hospital in Vienna is the AKH, the Allgemeines Krankenhaus or General Hospital. It is located in the Michelbeuern section of Alsergrund, the ninth district.