From Cycling, December 9, 1967.

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“NOW RIDING towards his 41st six-day win is big Peter Post, unquestioned king of the big-time Sixes, and a rider whose forceful style has made him a favourite with crowds everywhere on road and track. Beaten by Merckx at Heerlen in the world championship and at Ghent in the Six, Peter still showed how to ride when he happed the world champion three times behind Derny pace. Will he take his record 41st Six at Amsterdam? The whole of Holland hopes and expects him to.”
Peter Post was a Dutch rider, who won the Zesdaagse Vlaanderen-Gent, or Six Days of Ghent, in 1966 (with Swissman Fritz Pfenninger) and 68 (with fellow Dutchman Leo Duyndam), but not in ‘67 to which the text refers. That’s the road world championships which he lost to Eddie in ‘67.
Post won the 1964 Paris-Roubaix, setting what is still the average speed record of 45.129 km/h, or 28 mph (!). I can’t imagine going his speed over pave, but I bet it was a dry day. Post later went on to be manager of several teams, including the infamous TI-Raleigh team during the 1970s.
Unfortunately, Post didn’t win the Six at Amsterdam in 1967, losing to Palle Lykke and Freddy Eugen from Denmark (results), but did win in 1969 with Belgian Romain DeLoof.