For much smaller values of "know", probably. With google at your disposal, all the math is at your fingertips, but that doesn't mean you know how to solve a problem which doesn't come with keywords to search for. Same applies to typical declarative knowledge.
More specifically I mean that Newton couldn't pass the finals of many of the undergraduate math courses I took, because the math needed to solve the problems wouldn't have been invented yet.
Rationality quotes time!
The usual rules: