<prompt> Bhala ukuqhubeka kwalesi sigaba - U-Otis Crandall Davis owazalwa ngoJulayi 12, 1932 ungumdlali wezemidlalo waseMelika, owawina izindondo ezimbili zegolide ngokwenza amarekhodi kokubili kumamitha angama-400 naku-4 × 400 m relay  <response>: kuma-Olympic Asehlobo ka-1960. UDavis wabeka irekhodi elisha lomhlaba ngemizuzwana engu-44,9 emncintiswaneni wamamitha angu-400, futhi waba umuntu wokuqala ukwephula umgoqo wemizuzwana engu-45. 