good afternoon alexandra gabueva, republic of north ossetia-alania, vladikavkaz city, school number 30, if i'm not mistaken, this is cherenkov at frank's. i asked for only one. me the most igor evgenievich, of course, was interested there, because he led a mass of projects, and he, in general, was the most famous one and he received the nobel prize in physics together with pavel cherenkov ilya franko clever. thank you, the order is urgent. mom control elements let's try control. during the great patriotic war, a special oxygen department was created. why was it created? and who led it? i don't know i'm having a hard time. who is pyotr kapitsa but wrong, of course, who will correct hello elena pigalova, saratov region, the city of engels, school number 32, well, firstly, oxygen was created in order to supply industrial enterprises with liquid oxygen, and i will assume that molotov supervised it, but fedor lenochka pizza was in charge of it, and i said that it was wrong, yes. that is, the truth is more important to you than i am. the head office of oxygen was created to develop the commi