Career
Ackermann became contributing editor of the Weißenburger Tagblatt in 1917, and of the Telegraphen-Union in Munich. He was permanent Landtag rapporteur for the Münchner Zeitung and the Bayerische Staatszeitung. During the Third Reich he was imprisoned in Stadelheim Prison, in the KZs Dachau, Buchenwald and Dora-Mittelbau.
After World World War II he became director of the municipal intelligence service of München.
Ackermann was correspondent of Die Welt. From 1948-1951 he was head of Verband der Berufsjournalisten in Bayern (association of professional journalists in bavaria).
The Ackermannstraße in Munich was named in honor of him in 1960. Helga Schmöger and others: Der Bayerische Senat.