by Horst Zoeller, 1996 - 2020, 67th Edition, 22 Nov 2020

Dr. Dethmann, Adolf

(3. Dec 1896 - 6. August 1979)

1929 - 1931 JFM Main Office
1931 - 1933 ICO Director

Dethmann studied jurisprudence and state science at the University of Heidelberg since 1915 and moved later to Cologne, where he Joint an intellectual circile around Doemmer and Blunck in 1917. Dethmann got engaged in the early KAPD communist Party, but stopped political activities in 1922, when he started his carreer at Eisenhuettenwerke in Keula.

Dr. Adolf Dethmann joint Junkers in April 1929, where he met his former fellows Blunck and Doemmer. Dethmann started at the Junkers Hauptbuero and became private assistant of Hugo Junkers. He became managing director of Junkers & Co in December 1931 after Hugo Junkers had released the former directors Sachsenberg and Kaumann. In November 1932 Dethamnn was appointed as the General Manager of the Overall Junkers consortium by Hugo Junkers.

When the Nazis won the election of 1933, Dethman was arrested with reference to his former communist activities in March 1933. He was later released, but Dethmann was not allowed to work further for the Junkers Company. He was even not allowed to stay in the City of Dessau.

Dethmann moved to Hamburg, where he worked as Archivar. After WWII Dethmann was one of the refounders of the new KPD in Germany. He later worked for the Hamburg administration




von Dewitz, Ottfried

7. Jul 1892 - 5. Nov 1980

1936 - 1937 JFM Director's Boar

Ottfried von Dewitz was Born in Neustrelitz in 1892. In 1912 he Joint the German Navy. After WWI he studied economics, but he was also engaged in the test of seaplanes and Joint the Deutsche Versuchsanstalt fur Luftfahrt DVL in 1926, where he became a member of the board of directors.

In 1929 von Dewitz Joint the Junkers Company, where he became member of the IFA board of directors in April 1936. He left the board in November 1937. von Dewitz remained active for the Junkers Company in South Africa until 1939, when he Joint the Luftwaffe.

After WWII von Dewitz lived in Eastern Germany and was arrested by the Soviets between 1948 and 1955. Later von Dewitz worked as insurance agency.





  • Adelheid Cramer von Clausbruch
    Hinter der Fassade

    LIT-Verlag, Muenster, 2004, ISBN 3-89781-060-3



Dresel, August

( *   11. Oct. 1898   -)

1924 - 1939 JFM Marketing
1939 - ???? Supervisor at  VW Werk Wolfsburg
???? - 1945  Wiener Neustaedter Werk

Dresel belonged to the Fliegertruppe during WWI. In 1919 he started his studies at Bingen, later he became technical assistant at Siemens and Halske.

In May 1924 he joint Junkers Flugzeugwerke, where he became marketing assistant. In 1931 he is appointed as the marketing manager of Junkers, in 1935 he became the public relation manager of Junkers. In 1939 Dresel became responsible for the switch over of the Volkswagenwerk in Wolfsburg for aircraft production. Later during the war Dresel became also the Technical Director of the Wiener-Neustädter Flugzeugwerke. After WWII Dresel settled at Kassel and took over several marketing positions there.





Droemmer, Friedrich (Peter)

( *   16. Jan. 1889   + 22 Jan 1968 )

1923 - 1933 JFM Marketing

Friedrich Droemmer visited the Weimar Artificial Highschool until 1915. After WWI he worked at the Bauhaus in Weimar, in Kiel, Aachen and Frankfurt. At Munich he met Herta Junkers and got into contact with Hugo Junkers. In June 1923 he joint the Junkers Main Office. At the PR Office of Junkers he designed the Junkers marketing logo of the "Flying Man" in 1924. Droemmer also worked on the interior design of Junkers aircraft as well as on Junkeres Metal Houses and Metal Furnitures.

Droemmer had also good private connections to the Junkers family and was highly accepted with Junkers. In September 1927 he brought
Richard Blunck to Junkers and in April 1929 he asked Adolf Dethmann to join the company. Still in June 1933 Droemmer brought Heinrich Ehmsen to Junkers. Therefore Droemmer was mostly responsible for the marketing developement of Junkers Flugzeugwerke until 1933.

In 1933 he was arrested by the Gestapo, but was shortly afterwards released again. He married Annelise Junkers and left Germany together with her for Italy. In 1935 he returned to Germany and designed other industry logos, i.e. the Magirus Deutz logo.



  • Detlef Siegfried
    Der Fliegerblick: Intellektuelle, Radikalismus und Flugzeugproduktion bei Junkers
    J.H.W. Dietz, Bonn 2001, ISBN 3-8012-4118-1
  • Landeshauptstadt Kiel
    F.P. Droemmer - Kieler Maler der Zwanziger Jahre
    Ausstellungskatalog 1980 im Brunswiker Pavillion, Kiel




Dr. Eggers, Julius

( * 16 Jun 1870 - 19. Apr 1928 )

1917 - 1918 JFA Supervisory Board

Julius Eggers studied Engineering at the Technikum in Chemnitz. He worked as a constructing engineer at the Schichauwerft at Kiel and the Oderwerke in Stettin. In 1906 Eggers became Oberingenieur at the Hamburg-Amerika-Line and in 1908 he became Deputy Technical Director. In 1914 Eggers moved to Schmidt Heissdamppf Gesellschaft in Cassel as the companies General Director.

In 1917 he joint the supervisory board of Junkers Flugzeugwerke, where he became chairman in October 1917. After selling the Junkers shares in December 1918, HAPAG left the supervisory board.



Eichholtz, Konrad

( *   27. May 1900   + 07. Jan. 1964 )

1910 – 1912 Research Laboratories Aachen
???? - 1945 JFM Construction Office

Eichholtz was member of the construction office in the late 30s. He was engaged in the development of the Junkers EF77 airliner. During WWII Eichholtz continued his work on the Junkers Ju252. He was also the responsible type manager for the Junkers Ju90/290 during WWII. In 1946 he went to France and a joint a position at SNECMA, where he worked on questions regarding engine inlets and jet engine designs.




Eimer, Helmuth

( *   28. March 1882   )

1928 - 1932 JFM Foreign Affairs i.e. Tomtas

Helmuth Eimer was the managing director of Fahrzeugfabrik Anspach since 1919. He joint Junkers Flugzeugwerke in February 1928 and became responsible for legal questions regarding foreign Junkers cooperations. He was engaged in the dissolvement of the Turkish Tomtas engagement, as well as for the Mitsubishi license contracts. In 1932 Eimer left Junkers Flugzeugwerke following the disputes in the top management area.


  • - Fahrzeugfabrik Anspach Entry with Eimer reference





Erfurth, Kurt A.

( *   23. June 1898, + Sep 1975   )

1913 - 1926 Research Laboratories Dessau
1926 - 1945 Junkers Motorenwerke

Kurt Erfurth joint Junkers + Co. in April 1913 at the Research Institute in Dessau. In February 1915 he joint the construction office and participated in the Junkers J1 developement. In 1916 he was engaged in the Junkers J7 center section developement and in 1919 he also participated in the Junkers F13 design. He also participated in the high altitude world record flight of the F13 in September 1919. From 1919 to 1926 he performed an engineering study at Junkers and since 1926 he was mainly engaged in the aircraft engine designs. In May 1942 Erfurth became chief engineer at Junkers Motorenwerke and was the responsible developement engineer of the Jumo 210, 211, 213. After WWII Erfurth was evacuated by the U.S. troops from Dessau and sent to the U.S.A., where he worked at the Aeronautical Research Laboratories at Dayton until 1965. Erfurth died in 1975 in North Carolina.

Kurt Erfurth should not be taken as the WWI Pilot Kurt Erfurth, who was Born in 1893 and killed in Mission in 1918.




Folkerts, Hajo

( * 24 Dec 1871 - )

1893 - 1918 Research Laboratories
1930 - ???? Director LUFTFRAKO

Hayo Folkerts joint Hugo Junkers in 1909 as his private assistent. He was responsible for the engine laboratories of Hugo Junkers Later Dr. Hayo Folkerts was the managing engineer of the department for ship engine designs at the Versuchsanstalt Prof. Junkers.

Hajo Folkerts son Hajo later became a son-in-law of Hugo Junkers, when he married Ruth Junkers. He was the Managing director of the LUFTFRAKO Air Express GmbH in the early 30s and the flying organization "Die Deutsche Jugend"



  • None



Freckmann, Josef

( * 13 Feb 1899 - )

1937 - 1945 JFM Construction Office Flight Controls
1946 - 1954 OKB-I Podberesje

Josef Freckmann Joint Junkers in 1937 and worked in the Flight Controls Department. He was responsible for development of tail Units and rudders. Since 1940 Freckmann was engaged at the Junkers Office in Prague, where he worked on the Ju290.

In 1946 Freckmann was sent to OKB-I in Podberesje, where he worked on the EF150 controls. In 1954 he Joint VEB Flugzeugbau Dresden, where he became head of the Flight Controls Department until 1961.




Frenzl, Otto

( * 12 Nov 1909 - )

1937 - 1945 JFM Aerodynamic Department

Otto Frenzl studied electro technics at the Technical Highschool of Graz and Joint Junkers in 1937. He worked at the Doepp Laboratories and built the high Speed windchannel HK900. In Muldenstein Frenzl developed the Ejector Windchannel M3 in 1944.

After WWII Frenzl moved to France and worked with SNECMA, where he developed further windchannels till the end of the 60s





Freundel, Fritz

(17 Dec 1898 - )

1921 - 1945 JFAG/JFM Construction Office
1946 - 1954 OKB I Podberesja

Fritz Freundel studied Engineering at Mittweida. He Joint the JFAG in September 1921 and became a member of the construction Office. Freundel became Manager of the construction Office for wings, tails, undercarriage in 1923.

Freundel was member of the construction office at Junkers Flugzeugbau since the early 20s. He was responsible for the tail unit design of the Junkers J21 built for Russia and the Junkers G24. He was responsible for most of the wing and tail designs of all Junkers aircraft until 1940.

In 1946 Freundel was sent to Russia, where he Joint the Baade Team and designed the wings for the EF132 and EF150. In 1954 he returned from Russia to the GDR, where he became Technical Director of the VEB Flugzeugbau Dresden and Joint the Baade 152 design.




Freytag, Fritz

(* 7 Sep 1908 - 13 Oct 1975 )

1936 - 1945 JFM Construction Office
1946 - 1954 OKB I Podberesja

Fritz Freytag studied aviation engineering at the Polytechnicum at Bad Frankenhausen. In 1929 he joint the Albatros Werke in Berlin Johannisthal and participated in the construction of the Albators L101. In 1930 he became experimental engineer at the AVA Goettingen.

He joint Junkers in 1936 and participated in the high altitude developement of the Junkers Ju86R, the Mistel projects and finally on the Junkers Ju287 design. Since 1939 Freytag was Manager of the Project Office at JFM.

In 1946 Freytag was sent to
Podberesja Russia by the Soviets, where Baade and he designed the EF131, 132, 130 and 150. In 1954 he returned to Dresden, where he became the technical director and chief design engineer of Flugzeugwerke Dresden. In 1960 Freytag moved to West Germany and joint Weser Flugzeugbau. He became Manager of the Transall Programme in 1965 and VFW Director in 1968.

In 1973 Fritz Freytag retired and died on 13th October 1975.




Friesecke, Hans

1936 - 1939 JFM Directors Board

Hans Frieseke became member of the IFM board of directors in July 1936. He left the board in June 1939.

In 1939 together with Friedrich Hoepfner, Frieseke founded the Geraetebau GmbH in Berlin Babelsberg, which produced Cinema projectors. After WWII the Company was transfered to Erlangen.



introduced Mar 2004, transfered 13 Feb 2018
contents last updated 13 Feb 2018