The correct answer is: Maureen Conolly.
Maureen Conolly (born 1952) is an Irish former swimmer who competed in the 1972 Summer Olympics, 1976 Summer Olympics, 1980 Summer Olympics, 1984 Summer Olympics and 1988 Summer Olympics. She is the only Irish swimmer to have competed in five Olympic Games.
Don Budge (1915-2000) was an American tennis player who won the Grand Slam in 1938. He did not compete in the 1988 Seoul Olympics.
Pietro Mennea (1952-2013) was an Italian sprinter who won the gold medal in the 200 meters at the 1980 Summer Olympics. He did not compete in the 1988 Seoul Olympics.
Gelindo Bordin (born 1959) is an Italian former long-distance runner who won the marathon at the 1988 Summer Olympics. He did not compete in the 1972 Summer Olympics.