Bruno Bettelheim drew attention to womb or vagina envy in males, Melanie Klein noted that the maternal breast was the first object of envy for both boys and girls, and later writers, like Irene Fast, suggested that the problem for both sexes was one of encountering limits within gendered identity. In the tendency to gender the disciplines we see an echo of this structure. For like so many of Freud's ideas, this one offers a good model for thinking, rather than a direct, unproblematic intuition about bodies and genders. Here is what I take Freud and his followers to be saying. One response to envy is to try to have it all, which in disciplinary terms means interdisciplinarity.
Interdisciplinary study consists in creating a new object, which belongs to no one.
The critic was Roland Barthes. In fact, interdisciplinary is a word as much misunderstood these days as multiculturalism, and for similar reasons. Here's a practical example. To my colleagues I reiterated the range of meanings that wild could carry, from untamed and undomestic to enthusiastic and versatile. Have a look at the books on your shelf to see how the publisher wants them classified and shelved.