Georgy Erihovich Langemak - one of the pioneers of rocket technology and one of the main creators of the rocket launcher "Katyusha". The name of this person for many years was completely forgotten. While the informer - A.G. Kostikov - all this time was posing as the author of the legendary weapons.
In the 1928 year, Langemak, along with Tikhomirov, Petropavlovsk and Artemyev, began to design missiles. In nine years, this group has developed more than 250 modifications of rockets for use from air, land, sea and subsequent use on multiple rocket launchers ("Katyusha").
In November, 1937, denounced by his “colleague,” Langemak, was arrested and soon shot, and the scammer Kostikov appropriated his inventions.
Georgy Langemak was rehabilitated in 1955, and his close friend, an outstanding designer of rocket and space technology, academician V.P.Glushko played a significant role in this.
At present, the Russian Katyusha descendant, the Grad rocket launcher, is in decent service with the Russian army.
The film used unique photo and video materials that were not previously published anywhere: documents from the service period of Langemak in the Kronstadt fortress, training at the RKKA Military Technical Academy, patent applications and documents from the investigation file from the Central Archive of the FSB, as well as materials from the personal archive of the famous designer rocket engines VP Glushko.