Beethoven: His Spiritual Development - Hardcoverby J. W. N. Sullivan (Author) Too often the study of great composers is limited to either a musical analysis of their compositions, or biographical scrutiny of their personal lives. Yet, particularly in the case of the Romantic composers, the artistic and personal sides of their lives are not separate entities but instead are intertwined. J. W. N. Sullivan understood this clearly, and his book Beethoven: His Spiritual Development illustrates this link