Renowned black psychiatrist Dr. Frances Cress Welsing, author of the seminal 1991 work, The Isis (Yssis) Papers: The Keys To The Colors (Third World Press) has died. She was 80 years old.

“Media Assassin” Harry Allen reports via Twitter that Dr. Welsing died at 5:30 a.m. Saturday morning from a stroke she suffered earlier in the week.

Dr. Frances Cress Welsing Dead at 80