eople whose work appears across the research pages. Real historical figures only, with dates, what they did, and their primary works. Where we summarize someone's argument it is marked as paraphrase, not quotation.

	Ernst Heinrich Weber — 1795–1878 · touch, and the constant fraction
	Gustav Theodor Fechner — 1801–1887 · the founder of psychophysics
	William James — 1842–1910 · the Principles, the stream of thought
	Herbert A. Simon — 1916–2001 · satisficing, and the first reasoning programs
	Joseph Weizenbaum — 1923–2008 · ELIZA, and second thoughts
	Frank Rosenblatt — 1928–1971 · the perceptron
	J. C. R. Licklider — 1915–1990 · man–computer symbiosis
	Hermann von Helmholtz — 1821–1894 · nerve speed, the eye, the ear, unconscious inference
	Wilhelm Wundt — 1832–1920 · the first psychology laboratory
	Hermann Ebbinghaus — 1850–1909 · memory, measured on himself
	L. L. Thurstone — 1887–1955 · comparative judgment, attitudes, factors
	Norbert Wiener — 1894–1964 · cybernetics, feedback, and a warning
	Claude Shannon — 1916–2001 · information, measured in bits
	Paul E. Meehl — 1920–2003 · clinical versus statistical prediction
	Frederic Bartlett — 1886–1969 · remembering as reconstruction
	W. Ross Ashby — 1903–1972 · the homeostat and requisite variety
	Warren McCulloch — 1898–1969 · the logical neuron
	Walter Pitts — born April 1923, Detroit · the logic of nets, and the break
	Jerome Lettvin — 1920–2011 · the frog, and the memory of Pitts
	Santiago Ramón y Cajal — 1852–1934 · the neuron, drawn
	Charles Sherrington — 1857–1952 · the synapse and the reflex
	Donald Hebb — 1904–1985 · cells that fire together
	Karl Lashley — 1890–1958 · looking for the engram
	Wilder Penfield — 1891–1976 · the map, and the voices
	Brenda Milner — born 1918, Manchester · H.M., and memory without memory
	Roger Sperry — 1913–1994 · two minds in one skull?
	Alan Turing — 1912–1954 · the imitation game (his page is in minds/)