Known for his unrelenting questioning, Socrates still managed to show up late to meetings. His "method" was to arrive just in time to ask the most inconvenient questions.
Go to Platos' PagePlato thought he was a big shot with his "Theory of Forms" but in reality, he just liked talking about it for hours. Meeting attendees would often leave before he even got to his point.
Aristotles' AbsurditiesNietzsche was that one guy who just shook his head a lot and said "Life is suffering" but wouldn't actually contribute to the meeting discussion.
Kant was a stickler for rules, but in a meeting, he'd just make up new ones as he went along. "You can_goals, but you can_goals" became his mantra.