 Even so, regardless of his many particular contributions, Russell’s lasting reputation has also benefited significantly from his constant willingness to abandon unsupported theories and outdated beliefs. To his great credit, when new evidence presented itself, Russell was always among the first to take it into account: “Against my will, in the course of my travels, the belief that everything worth knowing was known at Cambridge gradually wore off. In this respect,” says Russell, “my travels were very useful to me” (1967, 133). 