Praun served during World War I. He was retained in the Reichswehr and then served in the Wehrmacht; between 1935 and 1940 he commanded signals units. In 1940 he was then appointed Chief Signals Officer of Panzer Group Hoth and Panzer Group Guderian in France. He was then posted to the Eastern Front where he served as Chief Signals Officer of the 2nd Panzer Group. He later was the commanding officer of the 4th Panzer Grenadier Brigade and then of the 18th Panzer Division, and the 129th and the 277th Divisions. Praun, Albert. (1960) Soldat in der Telegruphen- und Nachrichtentruppe.
