Japhetic theory

The hypothesis finally fell into disrepute and was largely discarded after 1950, when Joseph Stalin published a scathing critique of the views of Marr and his supporters, titled "Marxism and Problems of Linguistics".

This aspect of Marr's thinking was an attempt to extend the Marxist theory of international class consciousness far beyond its original meaning, by trying to apply it to language.

Obtaining recognition of his hypothesis from Soviet officials, Marr was permitted to manage the National Library of Russia from 1926 until 1930 and the Japhetic Institute of the Academy of Sciences from 1921 until his death in 1934.

In 1950, sixteen years after Marr's death, an article titled "Marxism and Problems of Linguistics", written by Joseph Stalin, was published in major Soviet periodicals.

Since then, the Japhetic hypothesis has been seen as deeply flawed, both inside and outside the former Soviet Union, but some of Marr's surviving students continued to defend and develop it into the late 1960s.