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Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Conrad_Haas> ?p ?o. }

• Conrad_Haas abstract "Conrad Haas (1509–1576) was a military engineer for the Kingdom of Hungary and Principality of Transilvania, who is often cited as the first person to describe a multistage rocket in writing, although some historians attribute that distinction to Jiao Yu in 14th Century China.Haas was perhaps born in Dornbach (now part of Vienna). As the Zeugwart (equipment manager) and arsenal master of the Imperial Austrian army under Ferdinand I. Stephen Báthory, the grand prince of Transylvania invited Haas to Hermannstadt, Siebenbürgen (now Sibiu, Transylvania, Romania) in 1551, where he was the engineer of the weaponry and also he started to teach at Klausenburg (now Cluj-Napoca).Between 1529 and 1556, he wrote a book in German language in which he described rocket technology, involving the combination of fireworks and weapons technologies. This manuscript was discovered in 1961, in the Sibiu public records (Sibiu public records Varia II 374).In this work Haas dealt with the technical details of rocket construction, explaining the working principles of a rocket. He described many rocket types, including the multi-stage rocket, bundled rockets, and the idea of modern spacecraft. His work also dealt with the theory of motion of multi-stage rockets, different fuel mixtures using liquid fuel, and introduced delta-shape fins and bell-shaped nozzles.In the last paragraph of his chapter on the military use of rockets, he wrote (translated):"But my advice is for more peace and no war, leaving the rifles calmly in storage, so the bullet is not fired, the gunpowder is not burned or wet, so the prince keeps his money, the arsenal master his life; that is the advice Conrad Haas gives."Before discovery of Haas' manuscript, the first description of the three-stage rocket was in Poland credited to the Polish artillery specialist Kazimierz Siemienowicz in his 1650 work, Artis Magnae Artilleriae Pars Prima ("Great Art of Artillery, Part One").Haas, who remained and died in Hermannstadt, present day Sibiu, Romania, was considered a Transylvanian Saxon.".
• Conrad_Haas birthDate "1509".
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• Conrad_Haas deathDate "1576".
• Conrad_Haas deathYear "1576".
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• Conrad_Haas dateOfBirth "1509".
• Conrad_Haas dateOfDeath "1576".
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• Conrad_Haas name "Haas, Conrad".
• Conrad_Haas shortDescription "Austrian military engineer".
• Conrad_Haas description "Austrian military engineer".
• Conrad_Haas description "Austrian military engineer".
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• Conrad_Haas subject Category:Early_rocketry.
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• Conrad_Haas subject Category:Rocket_scientists.
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• Conrad_Haas comment "Conrad Haas (1509–1576) was a military engineer for the Kingdom of Hungary and Principality of Transilvania, who is often cited as the first person to describe a multistage rocket in writing, although some historians attribute that distinction to Jiao Yu in 14th Century China.Haas was perhaps born in Dornbach (now part of Vienna). As the Zeugwart (equipment manager) and arsenal master of the Imperial Austrian army under Ferdinand I.".
• Conrad_Haas label "Conrad Haas".
• Conrad_Haas label "Conrad Haas".
• Conrad_Haas label "Conrad Haas".
• Conrad_Haas label "Conrad Haas".
• Conrad_Haas label "Хаас, Конрад".
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• Conrad_Haas givenName "Conrad".
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• Conrad_Haas name "Conrad Haas".
• Conrad_Haas name "Haas, Conrad".
• Conrad_Haas surname "Haas".