The introduction of Drosophila into the study of heredity and evolution : 1900-1910 / by Garland E. Allen.
Abstract:
"The discovery of "Drosophila" as a favorable organism for experiments in heredity is usually credited to Thomas Hunt Morgan. As this paper will attempt to show, Morgan did not 'discover' "Drosophila" in 1910. The organism had been used by a number of workers in the decade before Morgan accidentally hit upon it..."
Isis Vol. 66 (1975), p. 322-333