Question: In which year did Tom Gray aid in the discovery of a hominid fossil

Related documents: [0]  [DOC] Lucy is the common name of AL 288-1, several hundred pieces of bone fossils representing 40 percent of the skeleton of a female of the hominin species "Australopithecus afarensis". In Ethiopia, the assembly is also known as Dinkinesh, which means "you are marvelous" in the Amharic language. Lucy was discovered in 1974 in Africa, near the village Hadar in the Awash Valley of the Afar Triangle in Ethiopia, by paleoanthropologist Donald Johanson of the Cleveland Museum of Natural History. [END] 
[1]  [DOC] Tom Gray is an archaeologist that aided in the discovery of the hominid fossil Lucy, alongside Donald Johanson. During their expedition, Gray, then a graduate student, prompted Johanson to return to a previously explored dig site where Johanson then discovered the fossilized remains of Lucy. [END]  
Answer: 1974
1974