Which preposition to use with pym

for Occurrences 2%

This new Parliament, with Hampden and Pym for leaders, though fierce and aggressive, would have been contented with constitutional reform, like Mirabeau at one period.

at Occurrences 1%

I then made the strongest possible appeal to Dickson, who had by this time come through his own informants to recognize the atrocity of Mustapha's plan of campaign, to order Pym to obey his good impulse; and Pym at the same time informed me that he intended to go, with Dickson's order if possible, but in any case to go.

on Occurrences 1%

On the previous evening the landlady had met Mr. Pym on the ladder of an omnibus, and told him, before they could be plucked apart, of the lady who knew that Mr. Sandys was ill.

Which preposition to use with  pym