Which preposition to use with knower

of Occurrences 7%

The supremely good man is, therefore, the wise man, the divine man, the enlightened seer, the knower of the Eternal.

as Occurrences 1%

For assume any third being, the queen, say, and as the cat knew the king, so let the king know his queen, and let this second knowledge, by the same reasoning, require a higher knower as its presupposition.

behind Occurrences 1%

The Real Knower behind the senses.

Which preposition to use with  knower