Career
Born in Zagreb in 1914, Šulek began his music study very early by learning piano, violin, and composition. Until 1952 Šulek was an active soloist who gave numerous recitals. At the Zagreb Conservatorium, Šulek began teaching violin in 1939, composition in 1948, and orchestration in 1953.
He launched a successful conducting career in building up an international reputation for the Chamber Orchestra of the Zagreb (now Croatian) Radio and Television.
From 1958-1964 he was the principal conductor of both the chamber and symphony orchestras of Zagreb and undertook numerous European tours with these orchestras. He was frequently invited to be a guest conductor for the symphony orchestras of Zagreb, Belgrade, and Slovenia.
In his teaching career, Šulek was a distinguished professor of musical composition and mentor of many leading Croatian composers. his students including Milko Kelemen, Stanko Horvat, Krešimir Šipuš, Sandro Zaninović, Pavle Dešpalj, Dubravko Detoni, Igor Kuljerić et cetera Šulek died in Zagreb in 1986.