A nationally recognized online disinformation researcher has accused Harvard University of shutting down the project she led to protect its relationship with mega-donor and Facebook founder Mark Zuckerberg.

The allegations, made by Dr. Joan Donovan, raise questions about the influence the tech giant might have over seemingly independent research. Facebook’s parent company Meta has long sought to defend itself against research that implicates it in harming society: from the proliferation of election disinformation to creating addictive habits in children. Details of the disclosure were first reported by The Washington Post.

Beginning in 2018, Donovan worked for the Shorenstein Center at Harvard University’s John F. Kennedy School of Government, and ran its Technology and Social Change Research Project, where she led studies of media manipulation campaigns. But last year Harvard informed Donovan it was shutting the project down, Donovan claims.