INTPs focus internally and look at things rationally. They are filled with theoretical thought and possibilities, and look at life as something to be improved. Some see INTPs as 'absent-minded professors' or 'dorky engineers', who value intelligence and enjoy analytical theories. They highly value knowledge and often times have trouble showing warmth in a relationship. Often times easy-going when with others. However, they may be intense and inflexible when making plans.They base many decisions on logic rather then emotion and take upon an objective approach. Reserved individuals with a lot to contribute to the world. Some famous INTPs are Abraham Lincoln, Max Weber, Tina Fey, Thomas Aquinas, Einstein, Blaise Pascal, Rene Descartes, Marie Curie, George Harrison, Richard Dawkins, John Locke, and . Some INTPs in fiction are Sherlock Holmes, The Reclusive Invention (Edward Sizzorhands), Brian (Family Guy), Kyle Broflovski (South Park), Obi Wan (Star Wars), Bruce Banner/The Hulk (Marvel Comics), and Liz Lemon (30 Rock).