Gerard Friedrich "Gerrie" Knetemann was a Dutch road bicycle racer who won the 1978 World Championship. He wore the Yellow Jersey early in each Tour de France for four consecutive years between 1977 and 1980.
Gerrie Knetemann
Knetemann after the crash at 1983 Dwars door België (collection KOERS Museum of Cycle Racing)
The Tour of the Netherlands (Dutch: Ronde van Nederland) was a road bicycle racing stage-race in the Netherlands, founded in 1948.
Rik Van Looy on the Zandvoort circuit after winning the 3rd stage of the 1956 Tour of the Netherlands