He won the silver medal in the men 's individual road race at the 1952 Summer Olympics in Helsinki , Finland .
Robert Grondelaers ( 28 February 1933 -- 22 August 1989 ) was a road cyclist from Belgium .
Robert Grondelaers won the silver medal in the men 's individual road race at the 1952 Summer Olympics in Helsinki , Finland .
Robert Grondelaers ( 28 February 1933 -- 22 August 1989 ) was a road cyclist from Belgium .