The teacher Ivan van Sertima died at the age of 74. Here is all you want to know, and more!
Biography - A Short Wiki
Most famous for his 1976 work They Came Before Columbus (which poses an alternate theory of the origins of the Mexican Olmec people), this controversial Africana Studies scholar also founded, published and edited the Journal of African Civilizations.
With his first wife, Maria Nagy, he adopted two sons. Through his second marriage, to Jacqueline Patten, he acquired two stepdaughters.