[1] During World War II, Fix worked as a research assistant in the Mathematics Department at the University of California, Berkeley on projects conducted as part of work conducted for the "Applied Mathematics Panel of the National Defense Research Committee."
Fix was one of two women who were the first assistant professors hired by the statistics group within the Mathematics Department in 1951.
[2] In 1951 Fix and Joseph Hodges, Jr. published their groundbreaking paper "Discriminatory Analysis.
Nonparametric Discrimination: Consistency Properties," which defined the nearest neighbor rule, an important method that would go on to become a key piece of machine learning technologies, the k-Nearest Neighbor (k-NN) algorithm.
[4] In her latter years, Fix was the life partner of famous English statistician F.N.