Possible Clues:

• Foodie dwarf eating ham roast
• Person of taste of a sort uncomfortable with little fellow about
• Key scientist has lost right to be a foodie
• Swiss banker consumes carved roast, being a man of taste
• Little fellow pinching roast cooked for a person of taste
• Doctor goes on tram - does he expect special fare?
• The connoisseur among a consumer group?
• One who loves to eat orange, most unexpectedly
• Science not entirely accepted by grand English epicure
• Roast nuts eaten by Swiss banker and lover of fine food