Background
Moster was born and raised to a Jewish family of Hinko and Terezija (née Lederer) Moster, with nine siblings in Sveti Ivan Žabno near Križevci. His father was much respected tradesman and steam mill owner in Sveti Ivan Žabno.
Moster was born and raised to a Jewish family of Hinko and Terezija (née Lederer) Moster, with nine siblings in Sveti Ivan Žabno near Križevci. His father was much respected tradesman and steam mill owner in Sveti Ivan Žabno.
The Moster family"s wealth had been earned by diligence and shrewdness. Moster was married to Klara (née Breitenstein) Moster. Moster held 3 patents: improvements in refill lead pencils in 1916, improvements in or relating to paper-board heels for shoes and boots in 1936 and improvements in or relating to bottle closures in 1938.
As a Jew, during World World War II, Moster was deported and imprisoned at the Jasenovac concentration camp where he was killed in 1942.
After the war "Penkala-Moster Company" was nationalised and renamed to "TOZ Company" by the regime of newly established SFR Yugoslavia.