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 . In 1911 , Moster and his brother Mavro collaborated with Slavoljub Eduard Penkala to open the " Penkala-Moster " pen and pencil company in Zagreb . Moster and his brother owned 66,6 % of the company , and Penkala 33,3 % . Moster would later open another company , in Berlin , Germany , which was headed by his other brother , Alexander 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 . Moster later developed the production of the Winner Records in Croatia . As a Jew , during World War II , Moster was deported and imprisoned at the Jasenovac concentration camp where he was killed in 1942 . His brother Bernard was also killed during The Holocaust in the 1942 , at Rab concentration camp . After the war " Penkala-Moster Company " was nationalised and renamed to " TOZ Company " by the regime of newly established SFR Yugoslavia
The Holocaust
The Holocaust
Edmund Moster