markspitz Swimmer who was the gold medal leader at the 1972 Summer Olympics: 2 wds Only athlete to set world records in all seven events in which he competed His record of seven golds in one Olympics was beaten by Michael Phelps He won this many Olympic gold medals 1972 Summer Olympics notable 1972 U.S. Olympic hero ... and 25-Across have "canine" surnames 1972 Olympic swimming sensation 1972 Olympics star 1972 Summer Olympics star