Question: Who landed the first quad in figure skating?
Disambiguated questions and answers: question: Who landed the first quad toe loop in figure skating competition?
Who landed the first quad Salchow in figure skating competition?
Who landed the first quad lutz in figure skating competition?
Who landed the first quad flip in figure skating competition?
Who landed the first quad loop in figure skating competition?
answer: Kurt Browning
Timothy Goebel
Brandon Mroz
Shoma Uno
Yuzuru Hanyu
Natural Questions answer: Kurt Browning (from the Wikipedia article "Quad (figure skating)")