Possible Clues:

• William of __, known for his "razor" maxim
• --'s razor, principle that entities are not to be multiplied beyond necessity
• William of __, logician known for his "razor"
• ___ ’s razor — computer programming language
• Philosopher's place as old college's head, the flower of Cambridge
• --'s razor ('keep it simple' maxim)
• Eccentric commander taking lead in William's place?
• The language of philosophy?
• ___'s Razor (philosophical law of simplicity)
• William of ___, known for his 'razor'