Sam Kooistra
Samuel Gene Kooistra was an American water polo player who competed in the 1956 [Summer Olympics].
He was born in Chicago and is the younger brother of William Kooistra.
Kooistra was a member of the American water polo team which finished fifth in the 1956 Olympic tournament. He played four matches. Kooistra was a member of the American water polo team that finished first in the 1959 Pan American Games tournament.
In 1977, he was inducted into the USA [Water Polo Hall of Fame].