Nikolai Novikov was the Soviet Ambassador to the United States in 1946-1947 and he prepared his telegram for Stalin and Molotov.
You didn't provide possible answers, however, the sturm un drang movement centered on rejection of all things traditional, aesthetic, rational, related to the enlightenment period, or anything similar. They wanted to completely break themselves free from all tradition, so if anything fits the description then that is your answer.
