After his return from captivity in 1947 he passed the Abitur. He then worked as a mailman for the Deutsche Post der DDR. In 1948 he joined the Socialist Unity Party of Germany.[1] In 1955 he founded a cultural group at the Deutsche Post in Halle. In 1961 he completed a correspondence course in postal economics at the engineering school "Rosa Luxemburg" in Leipzig.
From 1963 to 1965 Deichfuß studied at the German Institute for Literature in Leipzig. In 1965/66 he was a lecturer for theatre and literature at the Halle City Council. From 1966 to 1969 he was the district secretary of the Writers' Association Halle. From 1967 to 1972 he headed a Zirkel Schreibender Arbeiter [de]. From 1969 he was active as a freelance author.
Deichfuß died in Halle after a short severe illness at the age of 64.[2]
Kurt Böttcher (editor): Meyers Taschenlexikon. Schriftsteller der DDR. Bibliographisches Institut, Leipzig 1974, p. 111.
Gabriele Baumgartner, Dieter Hebig (editor): Biographisches Handbuch der SBZ/DDR. 1945–1990. Volume 1: Abendroth – Lyr. K. G. Saur, Munich 1996, ISBN3-598-11176-2, p. 115.
Wilhelm Kosch et al. (editors): Deutsches Literatur-Lexikon. Das 20. Jahrhundert. Band 6: Deeg – Dürrenfeld. Walter de Gruyter, Berlin 2004, ISBN3-908255-06-6, Sp. 25f.
Rüdiger Bernhardt: Schreibende Arbeiter der DDR zwischen Arbeiter- und Gesellschaftskultur. In Dominique Herbet (editor): Culture ouvrière. Arbeiterkultur. Mutations d’une réalité complexe en Allemagne du XIXe au XXIe siècle. Presses universitaires du Septentrion, Villeneuve-d’Ascq 2011, ISBN978-2-7574-0210-8, p. 117–150 (zu Deichfuß, S. 125f.)