Possible Clues:

• Title boy genius of a 1991 film
• 'Little Man --'
• Home to some Sargents, with 'the'
• ''Little Man ___'' (Jodie Foster film)
• Modern and Britain galleries in London
• 'Ode to the Confederate Dead' poet Allen ___
• Gallery opening ten at the earliest
• Upstate French gallery builder!
• Maurice, who had a gallery of wickets
• 7 articulate, though not originally