"What I personally want to know about a leader is this: ... Will he take decisions, accepting full responsibility?"
"The good military leader will dominate the events which surround him; once he lets events get the better of him ... he will cease to be of value as a leader."
I'm thinking Te-type, leaning towards LSE myself.
Some have claimed that Montgomery was autistic, which wouldn't put him far personality-wise from my LSE father who's also on the spectrum (although my father comes off as more unhealthy and anxious).