degree in 1953; he went on to attend graduate school there, where he studied plant genetics under the supervision of Hitoshi Kihara.
[2] During this time, he was one of several major contributors to NCSU's Rockefeller Foundation-funded Quantitative Genetics Program.
[7] He received his Ph.D. from North Carolina State University in 1958, where he was a graduate student of Ralph E. Comstock, Columbus Clark Cockerham, and Richard Lewontin.
[2] There, he and his colleagues conducted extensive research on frequency-dependent selection of enzyme loci, as well as the evolutionary fitness of the esterase-6 system, in Drosophila flies.
At the age of 41, Kojima died in a highway automobile accident near Austin, Texas, on November 14, 1971.