The Nommo

In Dogon tradition as reported by French anthropologists, the Nommo are amphibious primordial beings, humanoid above and fish-tailed below, who descended in an ark amid a whirlwind of dust, kept to the water, and taught early humans astronomy, agriculture, and social order. In the ufological reading they are visitors from the Sirius system, specifically associated with Sirius B.

Marcel Griaule's fieldwork among the Dogon of Mali (1930s-1940s), published in Dieu d'eau (1948) and, with Germaine Dieterlen, Le renard pâle (1965), reported that Dogon cosmology contained detailed knowledge of Sirius B, invisible to the naked eye and unconfirmed by Western astronomy until 1862, including its roughly 50-year orbital period. Robert Temple's The Sirius Mystery (1976) argued this knowledge came from prehistoric Nommo contact, creating the modern lore and binding the Nommo to the Sirian mythology.

The claimed encounter is ancestral: the Dogon tradition itself. No modern sighting corpus attaches to the Nommo, though the amphibious-teacher motif recurs worldwide (Mesopotamia's Oannes is the standard comparison, and Temple leaned on it).

The Nommo became Afro-futurist and esoteric touchstones, appearing in music, art, and literature, and the "Dogon knew Sirius B" claim remains one of the most repeated ancient-knowledge assertions in circulation.

The anthropology is the argument. Walter van Beek's restudy of the Dogon (published 1991) found no widespread knowledge of Sirius B independent of Griaule's own visits, suggesting the material reflected Griaule's leading methods or knowledge transmitted by earlier European contact (missionaries and expeditions predate the fieldwork). Astronomer critiques note the "knowledge" appears only in Griaule's later syntheses. Temple's defenders argue the orbital detail and the tradition's depth resist those explanations. The Nommo thus rest on a genuine scholarly dispute rather than on any modern evidence.