Stream The Scientist, The Imposter and Stalin: How to Feed the People Online Free – Watch Full Movie from Home at 123Movies. . The documentary tells two very different human fates in the 1920s Soviet Union. Nikolai Vavilov was a botanical genius, Trofim Lyssenko was an agronomist who made great promises and fake inventions. Each of them tried to solve the country's nutritional problem, but only one succeeded.