Complex sentence: Endel Press (16 February 1929--6 May 1982) was an Estonian swimmer who represented the Soviet Union in men's 1500 metre freestyle swimming at the 1952 Summer Olympics.
Split into simpler sentences: Endel Press (16 February 1929--6 May 1982) was a Soviet swimmer. He competed in the men's 1500 metre freestyle at the 1952 Summer Olympics.