![Johann Nepomuk Hummel - portrait - Hungarian pianist and composer - 14 November 1778 - 17 October 1837 - a student of Mozart Stock Photo - Alamy Johann Nepomuk Hummel - portrait - Hungarian pianist and composer - 14 November 1778 - 17 October 1837 - a student of Mozart Stock Photo - Alamy](https://c8.alamy.com/comp/KD6NTB/johann-nepomuk-hummel-portrait-hungarian-pianist-and-composer-14-november-KD6NTB.jpg)
Johann Nepomuk Hummel - portrait - Hungarian pianist and composer - 14 November 1778 - 17 October 1837 - a student of Mozart Stock Photo - Alamy
![Johannes HUMMEL | PhD Student | Dipl.-Inform. | German Aerospace Center (DLR), Köln | DLR | Department of Software for Space Systems and Interactive Visualization Johannes HUMMEL | PhD Student | Dipl.-Inform. | German Aerospace Center (DLR), Köln | DLR | Department of Software for Space Systems and Interactive Visualization](https://i1.rgstatic.net/ii/profile.image/314456851058690-1451983763436_Q512/Johannes-Hummel-2.jpg)
Johannes HUMMEL | PhD Student | Dipl.-Inform. | German Aerospace Center (DLR), Köln | DLR | Department of Software for Space Systems and Interactive Visualization
![Online-Gemeinschaften als Geschäftsmodell: Eine Analyse aus sozio-ökonomischer Perspektive neue betriebswirtschaftliche forschung nbf , 340, Band 340: Amazon.de: Hummel, Johannes: Bücher Online-Gemeinschaften als Geschäftsmodell: Eine Analyse aus sozio-ökonomischer Perspektive neue betriebswirtschaftliche forschung nbf , 340, Band 340: Amazon.de: Hummel, Johannes: Bücher](https://images-na.ssl-images-amazon.com/images/I/41QPqtgX-6L._SX351_BO1,204,203,200_.jpg)