Karl Popper: The philosopher who changed the way we think about knowledge and gave us a surer method of scientific procedure.
Links to other sites.
http://en.wikipedia.org/wiki/Karl_Popper
http://www.friesian.com/popper.htm
http://www.stephenjaygould.org/ctrl/popper_falsification.html
http://elm.eeng.dcu.ie/~tkpw/

Abraham Maslow: The psychologist who moved us from thinking how to cure sick minds, to how to create and maintain healthy minds.
Links to other sites.
http://en.wikipedia.org/wiki/Abraham_Maslow
http://en.wikipedia.org/wiki/Maslow's_hierarchy_of_needs
http://chiron.valdosta.edu/whuitt/col/regsys/Maslow.html
http://webspace.ship.edu/cgboer/maslow.html

B. F. Skinner: The psychologist who tried to move behaviorist psychology from a theoretical science to a practical one.
Links to other sites.
http://en.wikipedia.org/wiki/B._F._Skinner
http://www.bfskinner.org/BFSkinner/Home.html
http://webspace.ship.edu/cgboer/skinner.html
http://tip.psychology.org/skinner.html

George Kelly: The psychologist who first proposed in a serious form the idea that the mind contains a model or map of external reality.
Links to other sites.
http://en.wikipedia.org/wiki/George_Kelly_(psychologist)
http://webspace.ship.edu/cgboer/kelly.html
http://en.wikipedia.org/wiki/Personal_construct_theory

Stanley Davis: A business marketing professional who was able to perceive trends in society being shaped by advancing technology.
Links to other sites.
http://en.wikipedia.org/wiki/Mass_customization
http://www.acm.org/ubiquity/interviews/s_davis_1.html
http://www.configurator-the-future-of-mass-customization
http://www.fastcompany.com/magazine/12/almanacfinance.html

Lawrence Lessig: A professor of law at Stanford Law School who has become the voice of reason in the world concerning copyright. He is also chief advocate for a cultural commons so creativity can flourish.
Links to other sites.
http://en.wikipedia.org/wiki/Lawrence_Lessig
http://cyber.law.harvard.edu/people/llessig
http://www.lessig.org/blog/

Jean Piaget: The child psychologist who first drew the world's attention to the fact that children are born without much knowledge and have to learn everything.
Links to other sites.
http://en.wikipedia.org/wiki/Jean_Piaget
http://www.learningandteaching.info/learning/piaget.htm
http://webspace.ship.edu/cgboer/piaget.html
http://www.piaget.org/aboutPiaget.html

Maria Montessori: The Doctor who first realized that children are people who if given a chance will struggle to learn all things so they may become independent of adults.
Links to other sites.
http://en.wikipedia.org/wiki/Maria_Montessori
http://www.montessori.edu/maria.html
http://www.webster.edu/~woolflm/montessori.html
http://www.montessori-namta.org/NAMTA/geninfo/mmbio.html

John Holt: An insightful teacher who through his empathy with children was able to perceive the true position of children in society and show how it could and should be improved.
Links to other sites.
http://en.wikipedia.org/wiki/John_Holt_(educator)
http://www.holtgws.com/
http://www.mhla.org/information/resourcesarticles/holtorigins.htm

Alfie Kohn: Today's leading critic of schools and educational practices. His numerous books on educational reform continue the fight to make learning something that people like to do and continue to do throughout their lives.
Links to other sites.
http://en.wikipedia.org/wiki/Alfie_Kohn
http://www.alfiekohn.org/index.php
http://life.familyeducation.com/punishment/parenting/29460.html
http://wik.ed.uiuc.edu/index.php/Kohn,_Alfie

Carol Dweck: A leading researcher in 5ocialpsychology who has propagated a revolutionary theory of learning concerned with how people see themselves in the world. The theory is expressed in her books "Self-theories" and "Mindset". 
Links to other sites.
http://en.wikipedia.org/wiki/Mindset_(book)
https://www.stanford.edu/dept/psychology/cgi-bin/drupalm/cdweck
http://mindsetonline.com/abouttheauthor/index.html

Teresa Amabile: The leading social psychology  researcher on creativity who has changed our understanding of the conditions needed for producing creative work. This research is presented in her book "Creativity in Context".
Links to other sites.
http://www.fastcompany.com/magazine/89/creativity.html
http://en.wikipedia.org/wiki/Teresa_Amabile
http://drfd.hbs.edu/fit/public/facultyInfo.do?facInfo=ovr&facId=6409

Edward Deci: Social psychologists Edward Deci and Richard Ryan have produced the most comprehensive theory of motivation so far attempted called Self-determination Theory, SDT. This theory lays out the very heart of learning and represents the backbone of the ideas in this site.
Links to other sites.
http://www.psych.rochester.edu/SDT/
http://www.psych.rochester.edu/faculty/deci/
http://en.wikipedia.org/wiki/Self-determination_theory

Richard Ryan: Social psychologists Edward Deci and Richard Ryan have produced the most comprehensive theory of motivation so far attempted called Self-determination Theory, SDT. This theory lays out the very heart of learning and represents the backbone of the ideas in this site. 
Links to other sites.
http://www.psych.rochester.edu/SDT/
http://www.psych.rochester.edu/faculty/ryan/
http://en.wikipedia.org/wiki/Self-determination_theory