IN MEMORIAM Liberty's Champion ,'G ive me a short description of his thought and contribu tions," a reporter requested of me following the January 7, 1995 death of free market giant Murray N. Rothbard at age 68. But how do you sum up Beethoven's music or Dante's poetry? In 45 years of teaching and writing, Dr. Rothbard produced 25 books, thou sands of articles, and three generations of students. He was a teacher who never stopped learning, an intellectual prize fighter who a...