Full name: Samuel Gene "Sam" Kooistra
Height: 6-0.5 (185 cm)
Weight: 174 lbs (79 kg)
Born: August 18, 1935 in Chicago, Illinois, United States
Died: September 18, 2010 in Oak Lawn, Illinois, United States
Affiliations: Illinois Athletic Club, Chicago (USA)
Country: United States
Sport: Water Polo
Related Olympians: Brother of Bill Kooistra.
Sam Kooistra was the younger brother of William Kooistra, who competed with him on the 1956 USA Olympic water polo team. Three years later they won together the gold medal at the 1959 Pan American Games. Sam Kooistra swam for the Illinois Athletic Club. He later became a fire chief, and was district chief of the Chicago Fire Department. He also competed in masters' swimming into his 60s.
|1956 Summer||21||Melbourne||Water Polo||Men's Water Polo||United States||USA||5|
|1956 Summer||21||Melbourne||Water Polo||United States||USA||Final Round||Match #3||1||1956-12-03||USA 4, GER 3|
|1956 Summer||21||Melbourne||Water Polo||United States||USA||Final Round||Match #6||2||1956-12-04||ITA 3, USA 2|
|1956 Summer||21||Melbourne||Water Polo||United States||USA||Group B||Match #1||1||1956-11-28||USA 5, GBR 3|
|1956 Summer||21||Melbourne||Water Polo||United States||USA||Group B||Match #3||2||1956-11-30||HUN 6, USA 2||1|