  Over the last half century, however, scholarship in many disciplines has come to appreciate the broader significance of difference. In this spirit, philosophers began to question the preeminence assigned to normalcy, and the concomitant devaluation of the physical and cognitive conditions considered to be disabilities (Canguilhem 1989). Recently, feminist thinkers moved into the forefront of this turn of interest in disability, sometimes prompted by their philosophical commitment to inclusiveness, and sometimes by personal encounters with disability. Disability perspectives have become familiar in feminist approaches to some philosophical topics, for instance, ethics and justice theory, and the metaphysics of embodiment. Feminist approaches to other topics, such as models and standards of knowing, might also benefit by being enlarged to include disability perspectives.