Yuri Kondratyuk
Yuri Vasilyevich Kondratjuk (Ukrainian Юрій Васильович Кондратюк, Yuri Wassiljowytsch Kondratjuk; Russian Юрий Васильевич Кондратюк, actually ukr. Олександр Гнатович Шаргей, Oleksandr Hnatowytsch Schargei; Russian Александр Игнатьевич Шаргей, Alexander Ignatievich Schargei; * 9 Junijul / June 21 1897greg. . in Poltava, Russian Empire, † February 25, 1942 in Kaluga ) was a Ukrainian and Soviet engineer and theorist of space.
Life
His father, Ignatius Benediktowitsch Schargei studied physics and mathematics at the University of Kiev. His mother, Lyudmila Lvovna Schlippenbach was possibly a descendant of the Wolmar Anton von Schlippenbach and taught French. After the divorce of his parents, he was raised by his paternal grandmother. He studied at the Polytechnic Institute in Petrograd until the outbreak of the First World War. During his military service he filled four notebooks with his ideas for interplanetary space flight, including a modular spacecraft to reach the moon. They included detailed calculations of the trajectory, which are known today as Kondratyuk 's route or Kondratyuk 's loop. In 1925, he met Vladimir Wettschinkin and sent him a manuscript of his book.
After the Russian Revolution he left the army, returned to Poltava and worked as a stoker. In this time of great poverty, he came into contact with like-minded people. In 1924 he founded, together with Eduardo Konstantin Ziolkowski and Friedrich Zander Arturowitsch the Society for the Study of interplanetary travel Общество изучения межпланетных сообщений. When he tried to flee in the following year to Poland, he was detained at the border. Because with him the symptoms of typhoid fever showed you saved the ball and a neighbor could well take care of him at home. His friends convinced him that he in the army of the Tsar was in danger as a former officer to be arrested as an enemy of the people, and got him false identity papers of a 1900 born in Lutsk Yuri Vasilyevich Kondratjuk, who died in 1921 of tuberculosis. With this new identity he moved to Novosibirsk, where he worked as a mechanic and his manuscript was finishing. Although his supporters were enthusiastic in Moscow it, no publisher who wanted to publish such a phantasivolles work place. He paid a printer, who produced 2000 copies of his 27seitigen plant and in January 1929 he published his work researching the interplanetary space.
He built a large grain elevator without a single nail. 1930, the Ministry of Internal Affairs of the USSR due to missing nails the idea that he was a saboteur who wanted to bring the work to collapse, and had him condemned to three years in the Gulag, where he came into sharashka. Here he was to develop equipment for the coal mines in the Kuznetsk Basin and impressed with his ingenuity. In November 1931 he was consequently misdeclared from prisoners for deportees and should work on cereals projects.
He learned from one sponsored by the Council of People's Commissars Grigory Konstantinovich Ordzhonikidze competition for the design of a large wind power plant in the Crimea. Together with other engineers Anton Ivanovich Denikin deported and Nikolai Vasilyevich Nikitin he submitted a design.
The asteroid ( 3084 ) Kondratyuk was named after him.