Sociological aspects of a problem of the scientific rationality, connected with movement “new left” in 60-e-70-e of the XX century who created ideological preconditions of emergence of a counterculture are discussed. Antitekhnitsizm and anti-scientism as ideology of a counterculture is supplemented with a position of “an ecological personalizm” which supporters of a counterculture believed alternative to consumerism. Considering scientific rationality in a common cultural context, the author designates prospect of dialogue of post-nonclassical scientific rationality and a counterculture.