The Versioning Machine was conceived in 2000 by Susan Schreibman, who remains its Founding Editor. She gratefully acknowledges the Digital Humanities Observatory, the University of Maryland Libraries, the Maryland Institute for Technology in the Humanities, and the New Jersey Institute of Technology for their generous support. She also thanks her colleagues, the programmers, designers, and literary scholars, who have so graciously given their time, skills, and energy to the development of the Versioning Machine.

The Versioning Machine Development Team

The Versioning Machine 4.0 (released July 2008)

Version 4.0 updated the Versioning Machine to support documents encoded with using the recently released TEI P5 guidelines, as well as greater support for prose documents and images, and various performance enhancements.

Version 4.0 updated the Versioning Machine to support documents encoded with using the recently released TEI P5 guidelines, as well as greater support for prose documents and images, and various performance enhancements.

• Susan Schreibman is the first Director of the Digital Humanities Observatory (Dublin, Ireland), a national digital humanities center which is being developed under the auspices of the Royal Irish Academy. She was previously Assistant Dean for Digital Collections and Research, University of Maryland Libraries (2005-2008), and Assistant Director of the Maryland Institute for Technology in the Humanities (2001-2004). Dr Schreibman is the Founding Editor of The Thomas MacGreevy Archive and Irish Resources in the Humanities. She is the co-editor of A Companion to Digital Literary Studies (Blackwell, 2008) and A Companion to Digital Humanities (Blackwell, 2004), as well as the author of Collected Poems of Thomas MacGreevy: An Annotated Edition.
• Tanya Clement is the Associate Editor of the Versioning Machine. She has a PhD in English from the University of Maryland, College Park and an M.F.A. in fiction from the University of Virginia where she was first trained in humanities computing at the Electronic Text Center and the Institute for Advanced Technology in the Humanities (IATH). She is the editor of In Transition: Selected Poems by the Baroness Elsa von Freytag-Loringhoven at www.lib.umd.edu/digital/transition. Currently, she is the Associate Director of Digital Cultures and Creativity, an undergraduate honors program associated with the Maryland Institute for Technology (MITH) at the University of Maryland, College Park.
• Sean Daugherty is Interface Specialist at the Office of Digital Collections and Research at the University of Maryland Libraries. He has been lead programmer for the Versioning Machine since version 3.0, and has been involved in the development of UM's Digital Collections site. He has an M.L.S. and an M.A. in American History from the History and Library Science program (HiLS) at the the University of Maryland, College Park. He has previously worked at the National Center for Preservation Technology and Training (NCPTT) at the National Park Service.
• Ann Hanlon is Digital Projects Librarian at Marquette University. She manages digitization initiatives for the Libraries' unique collections and is currently working with colleagues to implement Marquette's first institutional repository. Previously, she was the Digital Collections Librarian at the University of Maryland where she managed digital projects and conducted user studies for the Libraries's digital collections, including the Versioning Machine.
• Robert Whalen, Associate Professor of English at Northern Michigan University, specializes in seventeenth-century poetry, English church history, Shakespeare, and humanities computing. He is the author of The Poetry of Immanence (University of Toronto Press, 2002) as well as articles on George Herbert, John Donne, and digital editing. His current project, The Digital Temple, is an electronic edition of George Herbert's English verse to be published by University of Virginia Press.

The Versioning Machine 3.2 (released July 2007)

The Development Team for the Versioning Machine 3.0 - 3.2 included Susan Schreibman, Ann Hanlon, and Sean Daugherty, as well as:

• Amit Kumar is an Instructional Technology Developer at the Graduate School of Library Information Sciences (GISLIS) at the University of Illinois Urbana-Champaign. His areas of research are whiteboard applications and service location protocols, with particular interest in XML based protocols for distributed environments. He received a MS in Computer Science from University of Kentucky in 2002. His other humanities computing work includes teiPublisher and the Virtual Lightbox.
• Tony Ross worked as a graduate assistant at Digital Collections and Research at the University of Maryland Libraries until July 2007, when he earned his Masters in Library Science at the University of Maryland College Park. He has previously worked in book and magazine publishing industries, and for several advertising agencies.
• The Versioning Machine team gratefully thanks Tamara Lopez and John A. Walsh at Indiana University for code used in the Versioning Machine image and note viewer. This code was original developed for the Chymistry of Isaac Newton Project.

The Versioning Machine 1.0 (released May 2003) and 2.0 (released December 2003)

The Versioning Machine debuted at the 2002 ALLC/ACH (Association for Literary and Linguistic Computing / Association for Computers and the Humanities) Conference in Tübingen, Germany. Version 2.1 supported the following new features: support for multiple web browsers, including Internet Explorer, Mozilla 1.7+ and Firefox 1.0+ (with all Mozilla-based browsers functioning on Windows and Macintosh); the ability to statically transform documents to HTML prior to upload; the pretransformed HTML gave greater access across multiple browsers, including Netscape 7.0 and Mozila 1.3+ (Windows and Mac), Internet Explorer 5.5 (Windows), and Safari 1.2+ (Mac). The Development Team included Susan Schreibman and Amit Kumar, with the assistance of:

• Jarom McDonald is Assistant Research Professor at the Humanities Technology and Research Support Center, Brigham Young University. He was previously project manager of the Dickinson Electronic Archives at the University of Maryland, where he received his Ph.D in 2005.
• Lara Vetter is Assistant Professor of English, University of North Carolina at Charlotte. She is General Editor of the Dickinson Electronic Archives; coeditor of the writings of Emily Dickinson and several members of her family; and head of a project to encode Dickinson's manuscripts, the Dickinson family papers, and related secondary works in TEI-conformant XML.
• Eric White is a former graphic designer and webmaster at the Maryland Institute for Technology in the Humanities (MITH). He received his BA in art history from the University of Maryland in 2002. He is currently a freelance web designer.

Other Contributions

• Jose Chua was an early contributor to the Versioning Machine. He wrote the JavaScript and XSLT for the first version of the VM which was launched at a poster session at the 2001 ACH/ALLC in New York City.
• Michael Beddow was one of the first Beta-testers for the Versioning Machine. He made several improvements to the code, including making the VM fully functional in Netscape.