Singer (bariton) to the guitar, born in Berlin as Peter Sebastian Mendelsohn, murdered at the killing institution Hartheim (near Linz/Upper Austria). In 1930 he gave himself the birth name of his mother Johanna Bach. He studied law at the University ‘Kaiser-Wilhelm’ in Berlin as well as singing with Egon Söhnlein and classical guitar with Carl Henze. He performed as singer to the guitar in Berlin with his own settings of songs. In 1921 he received his doctorate for Dr. Phil. at the faculty of law at the university at Breslau and finished in the same year his academic career to become a professional musician. In 1933-1936 he was several times on tour through France, Switzerland, Italy and the Netherlands. On May 14, 1936 he was arrested, because he was Jewish, and came into different concentration camps (1936-1940). (Rainer Stelle)