Using his Polaroid camera as both tool and witness, Horst Ademeit meticulously documented the world around him. In an obsessive quest for evidence, he recorded observations and data, focusing in particular on what he believed to be the harmful effects of certain “cold rays” on his body and environment.
Trained as a craftsman, Ademeit briefly attended Josef Beuys’s open classes at the Kunstakademie Düsseldorf in 1970. However, discouraged by the lack of response to his early works, he abandoned formal artistic training. He survived on a succession of odd jobs and spent much of his life in social housing, frequently entangled in legal disputes over unpaid bills or in complaints he persistently filed.
Between 1990 and 2004, he produced the Observationsbilder (“Observation Images”), a vast body of work devoted to recording the minutiae of Düsseldorf’s urban landscape — buildings, construction sites, vegetation, discarded objects, and abandoned vehicles. Each Polaroid was accompanied by handwritten annotations in the white margins: dates, measured vibrations, physical sensations, smells, and newspaper headlines of the day intertwined in a dense informational network. Equipped with instruments such as a Geiger counter or a luxmeter, he sought to quantify the invisible rays he believed surrounded him. From 1999 onward, he also began using a digital camera, transferring his notes onto separate sheets of paper.
This elaborate system of observation — and the compulsion to document it — imposed a rigid, alienating routine that profoundly structured his daily life.