prometheus is a distributed digital image archive that currently makes over 135 databases from institutes, research facilities, and museums with more than 4,176,000 records from the fields of art, culture, and history researchable on a common user interface.

Situated at the Institute of Art History of the University of Cologne, prometheus is supported by the non-profit association prometheus e.V. which promotes the ongoing developments of the digital media for science and research.



Image series of the week

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Jörg Immendorff
Unmistakable Visual Language – By the end of the 20th century, Jörg Immendorff was one of the most internationally successful German artists of his generation. | more...


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#outofframe #25prom2026

5 October 2026 | By: Corinna

On social media platforms, we provided brief updates on the topics and shared visual highlights both before and during the event. Over the next few days, we’ll be sharing more highlights from the conference and presentation slides.

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More: +++ Images from the collections of the Prussian Cultural Heritage Foundation +++ + 6 Collections of the "Rheinisches Bildarchiv" +++ Expansions of Institutional Databases +++ Our YouTube Channel +++ Objects in Your Database +++ to the blog...