The Changing Definition of Masculinity is an outgrowth of four years of developing and teaching the course "Social Factors in Male Personality" at Ohio State University, Columbus. This volume reflects, in addition to my thoughts and feelings about what should be discussed in a sex-roles course taught from a male per spective, the thoughts, feelings, and knowledge of scores of students, col leagues, and friends. These are persons who either have taken the course or discussed with me appropriate material to be included in such a course and/or book. Chapter 1, for example, is influenced greatly...