While studying painting with Ernst Schumacher at the Hochschule der Künste, Berlin, he formed Gruppe SPUR with Lothar Fischer, Helmut Sturm, and Hans-Peter Zimmer.

[2][3] In 1960 he won a scholarship of the Kulturpreises im Bundesverband der Deutschen Industrie, Cologne.

In 1961 he visited Orkelljunga, Sweden with Sturm, Zimmer and Dieter Kunzelmann staying with Jørgen Nash.

In 1963 he worked on the SPUR collaborative works: "Canale Grande Crescente" for the exhibition "Visione e Colore" in the Palazzo Grassi, Venice, the SPUR-Bau joint contribution to the exhibition "Nouveaux Espaces", Biennale Paris, and the "SPUR room" in the country house of Willi Bleicher with Munich.

After a short stay in South Sweden, Prem organised the organization of "white celebration" near Munich and began to paint under the influence of drugs.