Ralf Berckhan
Ralf Berckhan is a German sprint canoer who competed in the early 1950s and modern pentathlete who competed in the early 1960s.
At the 1952 Summer Olympics in Helsinki, he finished sixth in the C-1 1000 m.
Eight years later in Rome, Berckhan finished 55th in the individual event and 16th in the team event for the United Team of Germany.
