Earlier quoted context omitted.
I suspect they meant Chomsky.
I thought so as well, but a quick web search suggests that Noam Chomsky speaks English and Hebrew. (It's a shame that Noam Chomsky is the most famous linguist, because he's so far from the best or most relevant one.) See also eg https://www.reddit.com/r/chomsky/comments/8ght5y/what_langua...
"He was once fluent in Hebrew, but told an Israeli journalist that he was now rusty, and conducted the interview in English."