[Drosophila] When and who discovered the sepia mutant?

[Kevin Cook]

se[1] was discovered on May 10, 1913 by Edith M. Wallace as a 
spontaneous mutation.  See http://flybase.org/reports/FBal0015397.html.  
The primary reference is Bridges, C.B., Morgan, T.H. (1923). The 
third-chromosome group of mutant characters of Drosophila melanogaster.  
Publs Carnegie Instn 327: 1--251.