This article introduces the special issue Fifty Years Since Stonewall: The Science and Politics of Sexual Orientation and Gender Diversity. Here, the commemoration of the 1969 Stonewall uprising frames our discussion of issues of representation that arise in commemorating events in general, and events in the history of psychology in particular. We describe how the articles in the special issue expand the existing narratives about the history of lesbian, gay, bisexual, and transgender psychology that are centered in the United States, focused primarily on sexual orientation and often end, rather than begin, in the time of Stonewall. The international scope of the special issue can suggest new ways to particularize histories of psychology since Stonewall that are centered on the United States. We describe the ideological context that shapes the doing of psychology since Stonewall, the telling of the histories of that psychology, and how "the problem of speaking for others" arises in contexts of power, including the curation of the special issue itself.
Public Significance StatementPsychology has engaged with movements for equality and justice for sexual and gender minorities over the last 50 years, resulting in increasingly affirmative perspectives in many parts of the world. This introduction to the special issue frames the histories of such shifts at local, national, and global levels with particular attention to the politics of commemoration and the problem of speaking for others.