A person who works with ...

[jacob]

"A person who works with his hands is a laborer.
A person who works with his hands and his brain is a craftsman.
A person who works with his hands, his brain and his heart is an artist"
—Louis Nizer

1) A person who works with his brain is a ?
2) A person who works with his heart is a ?
3) A person who works with his brain and heart is a ?
4) A person who works with his heart and hands is a ?

[Dragline]

1) A person who works with his brain is a ?
2) A person who works with his heart is a ?
3) A person who works with his brain and heart is a ?
4) A person who works with his heart and hands is a ?

1. thinker
2. competitor
3. leader
4. healer

[Tyler9000]

IMHO...

Hands: laborer
Brain: planner
Heart: advocate
Hands + Brain: craftsman
Hands + Heart: artist
Brain + Heart: visionary
Hands + Brain + Heart: designer

[7Wannabe5]

1) Wizard
2) Cowardly Lion
3) Dorothy
4) Scarecrow