Q: How many Ph.D Posted on May 19, 2015May 19, 2007 by admin Q: How many Ph.D thesis supervisors (advisors) does it take to change a lightbulb?A: Only one; but every time they see a lightbulb they have an irresistible urge to change it! Spread the love Related posts: How many blondes does it take to change a… Q: How many laboratory Q: Why did the Q: How many publishers