Margaret Floy Washburn, was a leading American psychologist of the early 20th century. She is best known for her experimental work in animal behavior and motor theory development. She was the first woman to be granted a PhD in psychology, and the second woman, after Mary Whiton Calkins, to serve as an APA President .
Michael Gazzaniga received a Ph.D in Psychobiology from the California Institute of Technology, where he worked under the guidance of Roger Sperry, with primary responsibility for initiating human split-brain research. He subsequently made remarkable advances in our understanding of functional lateralization in the brain and how the cerebral hemispheres communicate with one another.
Hippocrates Image courtesy of the Blocker History of Medicine Collections, Moody Medical Library, Univ. Texas Med. Branch, Galveston 460-379 B.C. - Hippocrates discusses epilepsy as a disturbance of the brain 460-379 B.C. - Hippocrates states that the brain is involved with sensation and is the seat of intelligence
Korbinian Brodmann (November 17, 1868 – August 22, 1918) was a German neurologist who became famous for his definition of the cerebral cortex into 52 distinct regions from their cytoarchitectonic (histological) characteristics, known as Brodmann areas.