This article examines Berman’s hormonal hypothesis. In 1984, while wandering through the library stacks, I looked up and spotted The Glands Regulating Personality by Louis Berman, M.D. I was amazed by the profound observations Dr. Berman made about the endocrine system in 1921, drawn from careful observation. I read until midnight, struck by how his conclusions, reached without modern methods, took over 90 years to be confirmed by science. This summary invites you to appreciate this visionary work’s historical significance.
