Donald Johanson and Maurice Taieb announced the discovery and published the initial description of the fossil in 1976 (the first detailed description was published by Johanson and Yves Coppens the same year).
The announcement of the fossil's discovery was made by Donald Johanson and Maurice Taieb in 1976. The first comprehensive description of the fossil was then published by Johanson and Yves Coppens in the same year.