Career
In addition, he played basketball and volleyball, winning national championship medals in both. He later became editor-in-chief of the culture magazine Kultuur ja Elu. His best throw that year, 70.56 m, placed him sixth on the annual world list.
Issak placed fifth at the 1938 European Championships, also in Paris, and recorded his personal best (7207 m) in Tartu in July 1939.
During World World War II Issak served in the Red Army and the destruction battalions. In 1944 he became editor of the sports magazine Kehakultuur, a post he held until 1951.
From 1958 to 1978 he worked for the culture magazine Kultuur ja Elu, eventually becoming its editor-in-chief His memoir Nood rohtunud rajad was published in 1988.