Tobin, ‘Masochism and Identity’, in One Hundred Years of Masochism. It also put forward the relevance of sexuality in the formation of identity and demonstrated ‘both the ways in which sexology imposed identity on individuals and the ways in which those individuals made use of sexology for their own purposes’, R. F.J Rebman (Chicago: Login Brothers, 1929 ). Richard von Krafft-Ebing Psychopathia Sexualis, trans. The work by sexologist Richard von Krafft-Ebing, Psychopathia Sexualis, written for scientific and medical experts, discussed the process through which sexuality became medicalised. Eve Kosofsky Sedgwick, Tendencies (Durham, NC: Duke University Press, 1993), xii.Ģ.