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Hans Delbrück

Hans Delbrück.

Hans Delbrück (11 November 1848 – 14 July 1929) was a German historian. Delbrück was one of the first modern military historians, basing his method of research on the critical examination of ancient sources, and using auxiliary disciplines, like demography and economics, to complete the analysis and the comparison between different epochs to trace the evolution of military institutions.

Delbrück's writings are chiefly concerned with the history of the art of war, his most ambitious work being his Geschichte der Kriegskunst im Rahmen der politischen Geschichte (History of warfare in the framework of political history, four volumes, third edition published in 1920). Other works are Die Perserkriege und die Burgunderkriege (The Persian and Burgundian Wars, 1887), Die Strategie des Perikles erläutert durch die Strategie Friedrichs des Grossen (The strategy of Pericles described through the strategy of Frederick the Great, 1890) and Das Leben des Feldmarschalls Grafen Neithardt von Gneisenau (Life of Marshal Count Neithardt von Gneisenau, 1894).


  • Biography 1
  • Hypotheses 2
    • Ancient warfare 2.1
    • Medieval warfare 2.2
    • Modern warfare 2.3
  • In fiction 3
  • Works 4
  • Notes 5
  • References 6
  • External links 7


Delbrück was born in Bergen on the island of Rügen, and studied at the universities of Heidelberg and Bonn. As a soldier, he fought in the Franco-Prussian War, after which, in 1874, he became for some years tutor to Prince Waldemar of the German imperial family, a brother of the future emperor, Wilhelm II.[1] He served in the Reichstag from 1882 to 1883,[2] and afterward, in 1883, he became an editor of the Preussische Jahrbücher, a noted political magazine. He assumed charge of this publication in 1889,[1] and kept working on it in that capacity until 1920.[3]

In 1885, he became professor of modern history in the University of Berlin, where his lectures were highly popular.[1] He was a member of the German Reichstag from 1884 to 1890.[4] Delbrück vigorously opposed the policy of the Prussian government in dealing with the Danes and the Poles, with the result that he was twice subjected to disciplinary penalties as a professor and therefore, in Prussia, a civil servant. At an early stage of World War I, he became pessimistic regarding the possibility of any real success for Germany except by military and political strategy and tactics of a purely defensive character. He was, on tactical rather than on moral grounds, a strenuous opponent of intensified submarine warfare, and did not conceal his conviction that the result of this method of warfare would ultimately be the intervention of America. He was a member of the German Delegation during the Versailles Peace Conference that ended World War I where he mainly endeavoured to prove that Germany could not be made solely responsible for the outbreak of war.[3] He died in Berlin.

He was the father of Max Delbrück, who did pioneering work in physics and also won the Nobel Prize in Physiology or Medicine in 1969.


Overall, Delbrück's works tried to place military history in the framework of general history. He regarded warfare as a cultural feature of societies, subject to evolution and influenced by the economy and the political system. His works, however, were not translated into English for some time, hence the reputation of him held by professional military theorists in English-speaking countries has not reached the significance of Clausewitz, for example.

Ancient warfare

Delbrück's conclusions regarding ancient warfare challenged historiography in so far as he tried to show that the figures for armies in antiquity were inflated in the original sources, and that, contrary to what is stated in most writings, the winner in a battle usually had more troops than the loser. Consequently, he gave completely different interpretations to some of the most famous battles in history, like Marathon, Gaugamela, and Zama by concluding that the advantage the Roman armies had over the "barbarians" rested, not so much in their discipline and refined tactics, but rather in their superior logistical support. The Romans were able to raise and maintain huge armies on the field, while the "barbarians" were unable to match their numbers. The theory aimed to criticize Germany's political class and practice of warfare which were under the heavy sway of nationalistic ideas at the time.

Medieval warfare

Regarding medieval warfare, Delbrück's findings were more controversial. He made a distinction between knights (mounted warriors) and cavalry (an organized mass of mounted troops), and regarded the medieval warrior as an independent fighter, unable to join others and form units with tactical significance. This conclusion was contested by later scholars, in particular the Belgian historian J. F. Verbruggen.

Modern warfare

When moving into modern warfare, Delbrück showed his intellectual roots in Clausewitz as he made a distinction between two possible strategies in war: 'exhausting' the enemy and 'throwing down' the enemy (in German, Ermattungsstrategie and Niederwerfungsstrategie, respectively; often mistakenly translated as 'attrition' and 'annihilation'). These were derived from Clausewitz's distinctions between strategies seeking limited objectives and strategies aimed at rendering one's opponent militarily helpless, the latter often confused with the concept of "Total War" advocated by Ludendorff and rejected by Delbrück during WWI. The choice depended on the nature of the political objectives and existing political and economic limitations, as well as on the correlation of forces. He applied this analytical tool to the wars of Frederick the Great, concluding that, due to their numerical inferiority, the Prussians had pursued a strategy of exhaustion. His overall treatment of this era was, however, disappointing, in part because Delbrück overlooked the Spanish wars. Delbrück was also very critical of his country's strategy during World War I. He said it would have been much better to seek victory in the Eastern front, gain minor objectives on the West and then seek peace. This was one example of the general principle, Delbrück maintained, that military and political maneuvers should be integrated.

In fiction

In Mel Brooks's comedy Young Frankenstein, Doctor Frankenstein sends his assistant, Igor, to retrieve the brain of Hans Delbrück for transplant into Frankenstein's monster. The tag on the beaker containing the brain reads "scientist and saint," so it is debatable whether Brooks intended the actual historian or a fictional Delbrück.

In a clearer reference to the historical figure, in Mel Brooks's comedy The Producers: The Movie Musical, Hans Delbrück is the name of the man to whom Franz Liebkind sends a letter by carrier pigeon.

In Mein Kampf could elucidate entirely…."


Among the other works of Delbrück, besides those mentioned above, are:

  • Historische und politische Aufsätze (1886)
  • Erinnerungen, Aufsätze und Reden (1902)
  • Die Polenfrage (1894)
  • Numbers in History (1913)
  • Regierung und Volkswille (1914)
  • Bismarcks Erbe (1915)
  • Krieg und Politik (1918)
  • Kautsky und Harden (1920)
  • Ludendorff, Tirpitz, Falkenhayn (1920)

In his book Regierung und Volkswille (1914), Delbrück attempted a defence of the old system of government in Germany and Prussia with particular reference to its “dualism,” that is parliamentary representation and simultaneously a certain degree of autocracy on the part of the sovereign in Prussia and of the federated government in the empire. A succinct statement of Delbrück's views on Germany's responsibility for World War I and an English reply can be found in articles by Delbrück and J. W. Headlam-Morley in the Contemporary Review (March 1921).[3]


  1. ^ a b c  "Delbrück, Hans".  
  2. ^  Rines, George Edwin, ed. (1920). "Delbrück, Hans".  
  3. ^ a b c  Chisholm, Hugh, ed. (1922). "Delbrück, Hans".  
  4. ^  


  • Delbrück, Hans (1920): History of the Art of War, University of Nebraska Press; Reprint edition, 1990. Translated by Walter, J. Renfroe. 4 Volumes.
  • Bucholz, Arden (1985): Hans Delbrück and the German Military Establishment: War Images in Conflict, University of Iowa Press.
  • Bucholz, Arden (1993): Hans Delbrück and Modern Military History - German Military Historian. Historian, Spring.

External links

  • (German) ("Geschichte der Kriegskunst")History of the Art of WarDelbrück's
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