brains

n. the person(s) in charge of thinking something through. John is not what I would call the brains of the gang.

Name	Pronounced	Usage
Nahum	NAY-əm (English), NAY-həm (English)	Biblical
Arnold	AHR-nəld (English), AHR-nawlt (German)	English, German, Ancient Germanic
TorbjÖRn	-	Swedish
Alvena	-	English
Alcaeus	al-SEE-əs (English)	Ancient Greek (Latinized)
Lorinda	[ləu'rində]