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Conference: Unique, index, source: Investigations of the negative in photography and film / 22-23 February 2013

With the end of analogue photography, the fate of the negative material is sealed as storage of image information, the place of the visual perception is mediated digital information entered. They will remove the knowledge of the nature of the photosensitive substrate, which had as a primary medium of recording over 150 years associated with the essential photography.

It therefore seems at the time, critically reflect on from a distance with the related phenomenon of the negative and of its interest in photography to question its meaning and benefits. At the cabinet exhibition The Creation of Beauty. Frank Eugene and the technique of art photography (3.12.2012.-24.02.2013) organized in cooperation with the German Museum of History and Archives section of the DGPh a conference that will discuss some key aspects of the negative. The contributions to the conference are focused on the genesis of the medium and its "finish" in the course of history. Use and importance of the negative into art, science and film production are as much for discussion as well as his epistemic potential within the media theory.

This is an Interdisciplinary Conference of the Deutsches Museum in cooperation with the German Society for Photography (DGPh)



Friday 22, February 2013


13:00 to 14:00

Registration and Coffee


14:00 to 14:30

Welcome by Helmuth Trischler, Head of Research, Deutsches Museum


Cornelia Kemp, Munich

Introduction to the conference



Director: Hans Christian Adam, Göttingen


14:30 to 15:15

Larry J. Schaaf, Baltimore

The black magic of Talbot's sciagraphy - extracting light from the shadows


15:15 to 16:00

Marc Osterman, Rochester

Truth and the Photographic Negative


4:00 p.m. to 4:30 p.m.

Coffee break


16:30 to 17:15

Dorothea Peters, Wanzka

The search for the right tone


17:15 to 18:00

Rolf Sachsse, Saarbrücken

The color negative and color palettes


18:00 to 19:00

Tour of the exhibition "The Creation of Beauty.

Frank Eugene and the technique of art photography "


Saturday 23, February 2013



Conductor: Ulrich Pohlmann, Munich


10:00 a.m. to 10:45 a.m. Dagmar Keultjes (Cologne)

The invisible mask. The corrective negative retouching in portrait photography from 1850 to 1900


10:45 to 11:30 Cornelia Kemp, Munich

The Creation of Beauty. Frank Eugene and the technique of art photography


11:30 to 12:15

Marjen Schmidt, Oberhausen

The techniques of manipulation. The glass plate negatives of Frank Eugene


12:15 to 13:45




Director: Martin Loiperdinger, Trier


13:45 to 14:30

Floris Neusüss, Kassel

For photogram. A negative without negative?


14:30 to 15:15

Jochen Hennig and Vera conceit, Berlin

Negative and negative imagery. Process and viewing habits and how to overcome in microscopy and X-ray technology


15:15 to 16:00

Martin Koerber, Berlin

The film and the original negative - opportunities and threats


Coffee break


16:30 to 17:15

Siegfried Zielinski, Berlin

Instantaneous archeology (the technical image)


17:15 to 18:00

Final discussion



Presentation of the Research Award DGPh photographic history

Exhibition Photo + Film, 2nd OG


A binding, free registration is requested by 8 February 2013.


Contact and registration:

Dr. Cornelia Kemp (

Heidemarie Klotz beer (

Phone 0049 - (0) 89-2179-380

Fax: 0049 - (0) 89-2179-514


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