Jeffrey W. Hall (biologist)

Jeffrey W. Hall is an American biologist renowned for his research on the genetic and hormonal mechanisms that influence insect behavior, particularly in fruit flies. His work helped uncover how genes and hormones control the timing and patterns of sexual activity, advancing understanding of circadian rhythms. Hall's insights have contributed significantly to chronobiology, the study of biological clocks. His discoveries have broad implications, enhancing knowledge of behavior regulation in animals and humans. In recognition of his contributions, Hall was awarded the Nobel Prize in Physiology or Medicine in 2017 alongside Michael Rosbash and Michael Young.