The offensive image, which appeared in Sunday’s edition, was accompanied by the headline, “Gone Before Her Time: Virtual Aging Technology Shows Us What Anne Frank Would Have Looked Like if She Hadn’t Died.” Text below it read, “Add this to your list of reasons the Holocaust sucked.”

It immediately set off an uproar on Harvard’s campus, with students and faculty members demanding accountability at The Lampoon, an independent satirical publication run by students. Established in 1876, the magazine has been the training ground for some of America’s most respected comedians and inspired the national humor magazine National Lampoon.

A Change.org petition calling for individual apologies from those responsible, a public report on what happened and other steps to overhaul decision-making at the magazine had gathered more than 350 signatures as of Wednesday afternoon.