Complex sentence: Vinko Bogataj (Slovenian:; born 1948) is a Slovenian former ski jumper who became noted on American television in the 1970s for a moment of spectacular failure that was featured on ABC's "Wide World of Sports" as the infamous Agony of Defeat.
Split into simpler sentences: Vinko Bogataj (Slovenian:; born 1948) is a Slovenian former ski jumper. He became famous on American television in the 1970s for a moment of spectacular failure that was featured on ABC's "Wide World of Sports" as the infamous Agony of Defeat.