This was what any bright and logical person would do.

We really have nothing on him, other than the fact that he's the logical person.

Any logical person would have been worried sick about his future.

There's only one logical person to stay behind and run things.

She herself was the logical person to call in for advice and help.

Actually, the logical person to ask would have been Kira.

The most logical person was surely one who had been involved in the original experiments.

The most logical person he could think of was Hannah.

I'm telling you, his family is dead, he never had friends, just associates, and now there's no logical person for him to turn to.

Find someone who considers her/himself to be a logical person.