a prime mover

someone who has a lot of influence in starting something important He was a prime mover in developing a new style of customer-friendly bookshops in the UK.

Common Names:

Name	Pronounced	Usage
Josse	-	French (Rare), Medieval French
Taegan	-	English (Rare)
GyÖNgyi	DYUUN-dyee	Hungarian
Traudl	-	German
Ayliffe	['eilif]
Liana	-	Italian, Portuguese, Romanian, English