Had Walcott wanted, he could have hired a phalanx of graduate students to work on the fossils. But he chose not to rock the boat of evolution. Today fossil representatives of the Cambrian era have been found in China, Africa, the British Isles, Sweden, Greenland. The explosion [in the Cambrian Period] was worldwide. But before it became proper to discuss the extraordinary nature of the explosion, the data were simply not reported.1