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Who discovered Lucy, and where was her skeleton found?

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Illustration showing side-by-side reconstructions of five hominins in the human lineage: Australopithecus afarensis, Homo habilis, Homo erectus, Homo neanderthalensis, and Homo sapiens, with each figure labeled and depicted in a walking pose to highlight evolutionary changes in posture and body structure. A scale bar at the top right indicates relative height. — human evolution An artist's depiction of five species of the human lineage.

The skeleton known as "Lucy" was discovered by American paleoanthropologist Donald Johanson and his research assistant, Tom Gray, on November 24, 1974.12

The remains were found at the Hadar fossil site, located in the Afar region of Ethiopia. The specimen, which is approximately 40 percent intact and dates back 3.2 million years, is classified as Australopithecus afarensis.12