Devin Buckley, a feminist and philosopher who was scheduled to speak at Harvard University, was blocked by a staffer in the school’s English department who learned that she is against biological men competing against women in sports.

English department coordinator Erin Saladin reportedly found old scholarship from Buckley online that revealed she is a member of the Women’s Liberation Front (WoLF) feminist organization, which has taken a stand on how women athletes are being erased by transgender competition.