Mezue ahịrịokwu na-esonụ: Fettich gụsịrị ụlọ akwụkwọ sekọndrị na Szombathely na Budapest. N'afọ 1921, ọ gụsịrị akwụkwọ na Mahadum Eötvös Loránd dị na Budapest na dọkịta na nka, na-ede edemede banyere mbadamba votive na mpaghara ndị Rom nke Pannonia. Site na 1921 ruo 1923, ọ bụ nwa akwụkwọ nke ngalaba ọjà nke Franz Liszt Academy of Music. Ọ, na 1926, rụrụ ọrụ na Hungarian National Museum maka Numismatic na ihe ochie nchịkọta nke ụgwọ nke Migration Oge. N'ịbụ onye mụtara asụsụ Russian, e zigara ya dị ka otu n'ime nanị ndị ọkà mmụta ihe ochie nke Soviet Union site na 1929 ruo 1935. Ọ bụ onye nhazi ntọala nke Folia Archaeology na 1939. N'afọ 1941, a họpụtara ya dịka onye nduzi nke Hungarian National Museum. Na 1941, ọ ghọrọ onye na-akpụ ọlaedo. O mere ọtụtụ ihe osise ndị na-egosi ihe ndị mere n'oge ochie. Mgbe ọ lara ezumike nká na 1945, ọ ghọrọ onye ọrụ aka, mana ka na-arụ ọrụ dị ka onye na-eji ọla edo. N'afọ 1956, ọ bụ onye edemede nke ọtụtụ akwụkwọ sayensị. Site na 1957 rue mgbe ọ nwụrụ, ọ bụ onye otu Creative Union of Goldsmith Artists. N'afọ 1957, o sonyere na
Ihe ngosi 58 na Brussels. Site na 1959 ruo 1962, ọ bụ onye otu nke Hungarian Academy of Sciences dị ka onye ọrụ nkwekọrịta nke Archaeological Research Group. Enyere ya ihe nrite nke Hungarian Archaeology na History of Art nke Science Society ma bụrụ onye otu Helsinki Finno-Ugric Company. Fettich gara ọtụtụ ebe a na-egwupụta ihe mgbe ochie.