The last name's the same because they're all related: Otto was a famous conductor, while his cousin Victor was a romance philologist who wrote the book "LTI" about the Nazi abuse of the German language; the bombing of Dresden allowed him to escape from his confinement to the Jewish ghetto and his journals have recently been edited, translated, and published.  
The last name's the same because they're all related: Otto was a famous conductor, while his cousin Victor was a romance philologist who wrote the book "LTI" about the Nazi abuse of the German language; the bombing of Dresden allowed him to escape from his confinement to the Jewish ghetto and his journals have recently been edited, translated, and published.  Perhaps the best-known member of this family is, ironically, Otto's son Werner, who became famous for portraying Commandant Klink in the prison-camp comedy "Hogan's Heroes."  FTP, give the shared family name.
The last name's the same because they're all related: Otto was a famous conductor, while his cousin Victor was a romance philologist who wrote the book "LTI" about the Nazi abuse of the German language; the bombing of Dresden allowed him to escape from his confinement to the Jewish ghetto and his journals have recently been edited, translated, and published.  
Klemperer