Expert, informally 3 letters

Crossword clues for Expert, informally 3 letters

Answer	Clue
WIZ	Expert, informally
PRO	Expert, informally
FPA	Information Please expert.
ITPEOPLE	Bug experts, informally
WHIZ	Expert, informally
MEISTER	Expert, informally
MAVEN	Expert, informally
ADAMS	Information Please expert.
PHOTOG	Person who might be an expert on shooting stars, informally?