Possible Clues:

• Pioneer chemist with a law to his name
• Robert -, Irish scientist whose law deals with gas volume and pressure
• Lara Flynn or Peter
• Physicist with a law named after him
• Peter who played Frank Barone
• Famous Irish chemist, from Roscommon town?
• Danny who directed 'Slumdog Millionaire'
• Scientist gets change out of liquid state reported
• Old chemist, man of law and cook, reportedly
• Co-star of Romano and Roberts