Merton Miller's status as a father of finance reflects the academic depth, breadth, and rigor of his writings and two important facets of his character. Merton was a man of great warmth and humor. He communicated his often challenging views via memorable phrases and anecdotes that have become part of the everyday language of the profession. Merton was also a man of great dedication. The whole profession has benefited from his devotion to his doctoral students, to his colleagues, and to his coauthors. This essay demonstrates how Merton's admiration for markets provided the foundation for all his research.