• Paper Lab
  • 264 South 23rd Street  
  • Philadelphia, PA 19103
P 215.545.0613
F 215.735.9313


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Photograph Conservators

Our Photograph Conservators have extensive training and treatment experience. Along with their work at CCAHA, they actively contribute to the field of photograph conservation research and scholarship. 

  • Barb Lemmen

Barbara Lemmen

Senior Photograph Conservator

Barbara Lemmen is Senior Photograph Conservator. She earned her BA in Art History and Chemistry from Williams College, and an MS from the Winterthur Museum/University of Delaware Program in Art Conservation (WUDPAC). Since 2002, she has been affiliated assistant faculty at the University of Delaware, where she lectures and supervises in photograph conservation in the undergraduate and graduate WUDPAC programs. Barbara was the Consulting Photograph Conservator at the Library of Congress from 1992 until 1995, and an intern at the Image Permanence Institute and National Archives of Canada. Prior to joining the staff of CCAHA in 2001, Barbara maintained a private conservation practice in New Hampshire.

While working at CCAHA, Barbara has provided conservation treatment and preservation consultation for photographic collections at the Philadelphia Museum of Art, the Winterthur Museum, and the Wagner Free Institute of Science, among others. She has worked with allied heritage professionals, conservators, and students, nationally and internationally, through educational programs and workshops. She is a Fellow of the American Institute for Conservation (AIC) and has served as Program Chair, Secretary/Treasurer, and Chair of the Education and Training Committee for the Photographic Materials Group. In June she presented “Separation Anxieties: Approaches to Freeing Photographs that are Stuck to Glazing or to Each Other” with Emma Lowe at the AIC/CAC-ACCR conference in Montreal. Barbara’ interests include conservation education, health and safety for conservators, and disaster recovery.  

Read our 2010 interview with Barbara here.

  • Rachel Wetzel 2014

Rachel Wetzel

Photograph Conservator

Rachel Wetzel received her BA in Art History & Architecture and Studio Arts in 1997 from the University of Pittsburgh, and an MA degree with a certificate in Art Conservation in 2005 from the State University of New York, Buffalo State College. She holds a certificate for the completion of the Advanced Residency Program in Photograph Conservation at the George Eastman House.  

Prior to joining CCAHA, she completed internships at the George Eastman House and the Image Permanence Institute at Rochester Institute of Technology, both in Rochester NY, Heugh-Edmonson Conservation, LLC, at the private conservation studio of Paul Messier and at the Library of Congress. 

She is the current recipient of a two-year Research & Development Grant funded by the National Endowment for the Humanities to create a searchable, online catalog of the collective works of Philadelphia-based daguerreotypist Robert Cornelius. Click here for more information on the project. 

Read our 2014 interview with Rachel here.