Empirical Bayes was Herbert Robbins' most influential contribution to statistical theory. It is also an idea of great practical potential. That potential is realized in the analysis of microarrays, a new biogenetic technology for the simultaneous measurement of thousands of gene expression levels.
"Robbins, empirical Bayes and microarrays." Ann. Statist. 31 (2) 366 - 378, April 2003. https://doi.org/10.1214/aos/1051027871