Acknowledgements

we would like to thank to:

• Geoffrey Barker, Scott Wajon, Russell Perkings, State Library of New South Wales: For collaboration on color reconstruction of Frank Hurley's photographs and the State Library of New South Wales.
• Ladislav Bezděk, Martin Frouz, Národní památkový ústav: For work on the first publication in book Živý Film (Czech language only).
• Lynn Brooks, Micah Messenheimer, Phil Mitchell, Helena Zinkham, Thomas Rieger, Library of Congress: For kind collaboration on color reconstructions of the American Colony.
• Kirsten Carter, Matthew Hanson and William Harris, FDR Presidential Library & Museum: For letting us to scan several examples of Oscar Jordan's photographs.
• Luisa Casella: For very useful discussions about permanence of Autochrome and the restoration of color dyes.
• Victor Gerasimov: For scans of Paget plates from Bulgaria.
• Steve Greene: For discussions on Oscar Jordan (somewhat forgotten but amazing early color photographer).
• Alan Griffiths: For his work on Luminous-lint and other efforts to get people in this area connected.
• Hanin Hannouch and Janine Freeston: For kind invitation to present at the Consortium working group on Color Photography in the 19th Century and Early 20th Century: Sciences, Technologies, Empires.
• Mark Jacobs: private collector who directly initiated our project by noticing Finlay color negative scans in the collection of Library of Congress. Without his expertise and generous donation of Finlay taking filters this project would never be possible. Mark Jacobs passed away in 2022 and we miss him.
• Kenzie Klaeser, Doug Peterson, Peter Siegel, Digital Transitions: For letting us to work with scans made using DT Atom, a digitization device based on high-end PhaseOne camera, and detailed discussions about scanning using such an high-end setup. Doug Peterson was first actual user of our stitching tool and also had many suggestions for improvements of the wiki.
• Bertrand Lavedrine, Muséum National d'Histoire Naturell: For several consultations on color dyes and other aspects of early color photography.
• Jan Lovy (professor): For going through incredibly difficult procedure to borrow Epson Perfection V850 scanner in New York which we used to scan samples of Oscar Jordan's photographs.
• Sara Manco, Julie McVey, National Geographic Society: For collaboration on stitching and color reconstructions of scans at the National Geographic Society.
• Bob McKendry, Australian War Memorial: For collaboration on Paget plates by Frank Hurley.
• Kendra Meyer, National Museum of Natural History: For discovering Paget plates at the National Museum of American History and scanning examples for us.
• Silvie Pénichon, Art institute in Chicago: For discussions on the early color.
• Alice Plutino, Department of Media Studies, Universiteit van Amsterdam: For discussion on separating subtractive color processes.
• Alain Schiebli: For discussions on digitizing autochromes back in 2007.
• Dan Smith, High Tift: For discussions of their collections of early color photography and sharing their expertise in the area.
• Gorgio Trumpy: For sharing an expertise as well as data on dyes of Dufaycolor and autochorme.
• Gawain Weaver (photograph conservator): For sharing with us data on color screens.