Edward G. Ruby

Edward G. Ruby is an American microbiologist best known for his foundational work on beneficial bacterial–host interactions, particularly the symbiotic relationship between the Hawaiian bobtail squid, Euprymna scolopes, and the bioluminescent bacterium Vibrio fischeri. His research helped transform the field of microbiology beyond its traditional focus on pathogenesis to encompass the study of beneficial microbial associations. Ruby is a Faculty Associate in Biology and Biological Engineering at the California Institute of Technology and a Visiting Scientist at the Carnegie Institution for Science. In 2024, he was elected a Fellow of the American Academy of Arts and Sciences.