Background
Kostálik, Ján was born on August 19, 1929 in Pondelok, The Slovak Republic. Son of Ján and Mária (Hyraj) Kostálik.
Kostálik, Ján was born on August 19, 1929 in Pondelok, The Slovak Republic. Son of Ján and Mária (Hyraj) Kostálik.
Graduate Academy Science faculty, U. Palacky Olomouc, Bratislava, Slovakia, 1961.
Assistant department science, Agricultural Faculty, Nitra, The Slovak Republic, 1961-1965; docent, assistant professor Education, Agricultural Faculty, Nitra, The Slovak Republic, 1965-1966; docent department Education, Pedagogical Faculty, Presov, The Slovak Republic, 1966-1992; professor Education, Pedagogical Faculty, Presov, The Slovak Republic, since 1993.
Captain Slovakian Army, 1956. Member Pedological Association, Geographical Society.
Married Viera Derajová, April 29, 1959. 1 child, Igor.