What did they do with knowledge?

You can use both. You can use "knowledge of" when you are saying that you have the knowledge of something specific. You can use "knowledge in" when you're talking about a vast area/field of...

she has a wealth of knowledge.

Knowledge management deals with all the knowledge assets of the organization. It encompasses knowledge held at the individual and organizational level, and includes both useful and obsolete knowledge...

This is a complex question. The quick and dirty answer is a resounding 'no'. This does not mean that there is no such thing as scientific progress. Science itself is a heuristic, a specific kind of...

oblique learning is indirect information, compared to specific, direct organization. Answer: Oblique. How about Abstract for a synonym? Speedlearner34 Alternate Answer: This is the idea that one has...