The two best jumpers in 1972 were defending champion Bob Seagren and Sweden’s Kjell Isaksson. But also highly considered was 1968 bronze medalist Wolfgang Nordwig (GDR), who had won the 1966, 1969, and 1971 European Championships. Seagren and Isaksson were using the new Cata-Pole. But on 25 July the IAAF declared that pole to be…