Ivan Van sertima wobadwira ku Guyana, ndi wolemba mbiri wolemekezeka wa Rutgers University yemwe adachititsa chivomerezi chenicheni mu 1977 ndi kufalitsa buku lake Iwo adabwera pamaso pa Colombus: The Presence of the Africa in Old America (Iwo adafika pamaso pa Columbus: kukhalapo Mwa Africa ku America wakale).
Bukuli lidzasindikizidwa mu French mu 1981 Kuyambira 1957 mpaka 1959, adagwira ntchito yosindikiza ku Guyana. Muma 60, adayenda maulendo angapo pakati pa England, Africa ndi Caribbean. Amadzitamandira m'mabuku angapo a zolemba zaku Caribbean, ndi ndemanga zochepa zofalitsidwa m'maiko osiyanasiyana (Denmark, India, England ndi United States). Van Sertima adayamba ntchito yake mu 1970 atazindikira kukhalapo kwa zikhalidwe zaku Africa mchilankhulo cha anthu ambiri omwe anali asanakhalepo Columbian aku Central ndi South America. Kuchokera kumadera akutali ofukula mabwinja, adafika pamalingaliro omwewo omwe amasonkhanitsa phata la ofufuza a heterodox, omwe akukulabe: oyenda akuda ndi ofufuza ochokera ku Africa adapeza America. Maulendo awo amangochitika mwadzidzidzi kapena amakonzedwa, ndipo cholinga cha maulendo awo ndikupanga malonda a siliva ndi bronze ndi Amwenye Achimereka. Zotsatira zakupezeka kwakuda kumeneku ndizambiri ku Mexico.
Kwa Van Sertima, kuphatikiza pamitundu yamitundu yakuda yomwe imapezeka pamalopo, ma tattoo ndi makongoletsedwe amakhalanso aku Africa, palibe kukayika. Ntchito yake idaperekedwa ndi Nobel Committee of the Swedish Academy, yomwe idasankhidwa kukhala Mphoto ya Nobel mu Literature pakati pa 1976 ndi 1980. Anaperekedwanso ndi International Commission for the Scientific and Historical Rewriting of the History of UNESCO Anthu.
Mu 1967, adagwira ntchito ku Tanzania ndikusintha dikishonale ya Chiswahili. Pulofesa ku Rutgers University, amaperekanso maphunziro ku University ya Princeton kuphatikiza pokhala mkonzi wa "Journal of African Civilizations" yomwe adakhazikitsa kuyambira 1979 pomwe akuwonetsa kafukufuku chikhalidwe cha zikhalidwe zosiyanasiyana kuphatikiza sayansi yakuda, akazi akuda kale, Egypt idabwereranso, ana aku Africa, zitukuko za chigwa cha Nile, kupezeka kwa Africa kudzera zaluso ku America , kupezeka kwa Africa ku Asia, Europe ndi America, oganiza bwino aku Africa, atsogoleri akulu akuda: mibadwo yakale, yapakatikati komanso golide ya anthu achi Moor. Pulofesa Ivan Van Sertima kutenga nawo mbali pamisonkhano ingapo m'mayunivesite opitilira zana padziko lonse lapansi. Ntchito yake yabwino imadziwika padziko lonse lapansi.
