Which preposition to use with errington

before Occurrences 1%

"This blackguard from the first kept the figure, the personality, of Frank Errington before his mind.

in Occurrences 1%

We cannot gauge how many months ago he began to try and copy Frank Errington in his style of dress, the cut of his moustache, his general appearance, making the change probably so gradual, that no one in his own entourage would notice it.

Which preposition to use with  errington