A top neuroscientist at Harvard Medical School has been accused of falsifying data and plagiarizing images in 21 separate papers, marking the latest episode in Harvard’s season of academic scandal.

Neuroscientist Khalid Shah, who is the vice chairman of research in the department of neurosurgery at Harvard teaching hospital Brigham and Women’s Hospital, allegedly manipulated data and plagiarized images in research papers, according to the Harvard Crimson.