Josephine Arendt (née Wragg) (1941–2023) was a British biologist who served as Professor of Chronobiology at the University of Surrey.
[3] After graduating, Arendt moved to Queen Charlotte's and Chelsea Hospital and eventually to Geneva, where she worked on Xenopus laevis.
[1] Arendt was eventually made Professor of Endocrinology at the University of Surrey, where she pioneered the field of chronobiology.
She studied how they respond to light and their responses in conditions such as shift work, polar nights and jet lag.
Disruptions to circadian rhythms in people who work night shifts or as flight attendants can cause carcinogenic effects.