Alex Diggelmann
Alex Walter Diggelmann was a Swiss graphic artist and book designer best known for his sports posters. Diggelmann who won three medals in the Olympic Games.
He won a gold medal in 1936 for a poster entitled Arosa I Placard, and a bronze one and a silver one in 1948 for two commercial posters, the "World Championship for Cycling Poster" and the "World Championship for Ice Hockey Poster". He also designed the trophy presented annually to the winners of the UEFA Cup.
Diggelmann is only one of two artists who won three medals in art competition.