A unified theory of the mind

Keith Hengen
Biologist Keith Hengen in Arts & Sciences at Washington University in St. Louis says “criticality” is the key to understanding how the brain works — and how to keep it free from Alzheimer’s and other diseases.

James Poag, former chair of German, 90

James Poag, a professor emeritus and former chair of the Department in Germanic Languages and Literatures in Arts & Sciences at Washington University in St. Louis, died May 25. He was 90.