leading light

• Personne qui est une figure éminente, influente ou clé dans un domaine, une organisation ou un mouvement.

A person who is prominent, influential, or a key figure in a particular field, organization, or movement.

1. Important or influential personC1formal

   A person who is very important, influential, or prominent in a particular field or organization.

   figure de proue

   • She is a leading light in the field of medical research.
   • He was considered a leading light of the local community.
   • The company's success is due to its leading lights in management.