“Professor X” is a law professor with 20 years’ experience. He is a graduate of a national law school, where he was a member of the law review. Before starting his academic career, he clerked for a federal court and practiced law for a national law firm. As a law professor, he has written extensively in his field and taught at three law schools, in which he won numerous teaching awards. He estimates he has personally instructed at least 2,000 law students.