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Mark Kostopoulos papers

Identifier: Coll2014-068

Scope and Contents

The collection primarily documents Kostopoulos' involvement with the Revolutionary Socialist League (RSL) and the activities of the Lavender Left in New Orleans, a socialist lesbian and gay organization. The arrest and court documents file provides evidence of some of his ACT UP actions. The correspondence file includes requests for reports on his efforts to further the cause of the RSL and correspondence from prisoners including Carl Harp and Albert "Chui" Clark. Kostopoulos' travels in the Caribbean, Latin America, and to Europe are documented in his passports in the identification folder.


  • 1977-1992


Conditions Governing Access

The collection is open to researchers. There are no access restrictions.

Conditions Governing Use

All requests for permission to publish or quote from manuscripts must be submitted in writing to the ONE Archivist. Permission for publication is given on behalf of ONE National Gay and Lesbian Archives at USC Libraries as the owner of the physical items and is not intended to include or imply permission of the copyright holder, which must also be obtained.

Biographical Note

Mark Dyer Rexroad was born in Augusta, Maine, and grew up in the Midwest. Later he would become better known by his pseudonym, Mark Kostopoulos. He graduated from San Francisco State University and lived in San Francisco in the 1970s where he became a member of the Revolutionary Socialist League. In the early 1980s he moved to New Orleans where he was a leader of the Lavender Left, a socialist lesbian and gay organization. In the mid-to-late 1980s he relocated to Los Angeles where he became one of the founding members and a leader of ACT UP/Los Angeles and the ACT UP Network. The ACT UP Network was an umbrella group working to coordinate actions of local chapters. He was employed as a United States Postal Service carrier. On June 20, 1992, he died from complications related to AIDS.


0.2 Linear Feet (1 box.)

Language of Materials



Correspondence, arrest and court records, fliers, clippings, and written statements documenting the life of Mark Dyer Rexroad, better known as Mark Kostopoulos. He was a leader of the Lavender Left in New Orleans, who relocated to California to help found ACT UP/Los Angeles and later the ACT UP Network.


The folders of the collection are arranged alphabetically.

Immediate Source of Acquisition

Date and method of acquisition undocumented. The collection may have been part of the ACT UP/Los Angeles collection or the larger Southern California AIDS Social Policy Archive.

Processing Information

Collection processed by Michael C. Oliveira, September 2014.
Finding aid to the Mark Kostopoulos papers, 1977-1992
Michael C. Oliveira
(c) 2014
Description rules
Describing Archives: A Content Standard
Language of description
Script of description
Language of description note
Processing this collection has been funded by a generous grant from the National Historical Publications and Records Commission.

Repository Details

Part of the ONE Archives at the USC Libraries, University of Southern California Repository

909 West Adams Boulevard
Los Angeles California 90007 United States
(213) 821-2771