Translation of "Thinker" in Japanese

Tom is a fast thinker.

トムは頭の回転が速い。

I'm a visual thinker. I see my thoughts.

視覚的に考えるので 思考が目に浮かぶのです

Between you and me, he's a shallow thinker.

ここだけの話だが彼の考え方は深みに欠ける。

He is as great a thinker as ever lived.

彼はまたとない優れた思想家である。

- Just between us, he doesn't think very deeply.
- Just between us, he's not a deep thinker.

ここだけの話だが彼の考え方は深みに欠ける。