Peter C. Whybrow

Peter Charles Whybrow (13 June 1939 – 25 August 2025) was an English psychiatrist and award-winning author whose primary research focus was on understanding the metabolic role of thyroid hormones in the adult brain and how to apply this knowledge to the treatment of mood disorder, especially bipolar disorder. He was Judson Braun Distinguished Professor in the Department of Psychiatry and Biobehavioral Sciences of the David Geffen School of Medicine at UCLA.