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Charles Darwin
Darwin's book, On The Origin Of Species, explained the diversity in life by the process of Natural Selection. The nature chooses the traits that keep an organism alive and reproducing. -
Henry Holt
Holt offered William James a contract for the new science of psychology, requesting the book be completed in two years. James began working in 1878 and took him 12 years to complete. 12 years later people read and admired "Principles of Psycholohy" -
Wilhelm Wundt
Wundt created an experiment to measure how long it took for to the human ear to hear a noise. The results were people responding in one tenth of a second. -
Mary Clarkins
William James, a professor at Harvard, brought a women named Mary Calkins into one of his lectures. Because in this time period women had very little rights, all the male students dropped out. James taught her alone and she worked her way for a Harvard Ph.D, while outscoring all the male students. Harvard later denied her degree. She then became he first president of American Psychological Association in 1905. -
Edward Bradford Titchener
After Wundt's student, Tichener received his Ph.D, he joined the Cornell University faculty and introduced structuralism. His method was to have people look at a rose, listen to a metronome, smell a scent and explain what their immediate senses were. -
Margaret Floy Washburn
First female psychology Ph.D and later wrote a book, The Animal Mind. Also became the second APA president in 1921.