Biography
Das Geller-Quintett
Members: Hans Blum, Joe Menke, Paul Giese
German vocal ensemble founded in 1948:The photo shows in the first row from left to right: Helga Giese (née Geller) and Olga Geller, in the back row Joe Menke, Paul Giese (pianist, singer, and husband of Helga Giese), and Hans Blum.
Helga and Olga Geller were also members of a female vocal trio, the Geller Sisters.