Background
Müller was born in Zagreb to a wealthy Jewish family, with younger brother Leo. After his father death, Müller inherited "Balkan" cinema and part of residential-commercial complex in Varšavska and Masarykova Street.
Müller was born in Zagreb to a wealthy Jewish family, with younger brother Leo. After his father death, Müller inherited "Balkan" cinema and part of residential-commercial complex in Varšavska and Masarykova Street.
He graduated from higher technical school in Vienna.
In 1939, Müller sold the residential-commercial complex in Varšavska and Masarykova Street to a Topić family from Zagreb. That same year Müller and his family moved to France. Müller son joined the French Resistance.
In August 1944, Müller was deported to Dachau concentration camp, where in January 1945 he was killed.
With the independence of Croatia in 1991, Müller son sought the return of the property which was taken from his father by Ustaše and later the communist of SFR Yugoslavia.