In 1921, Carl Jung wrote about four different types of personality, identified 24 centuries ago by Hippocrates. He theorized that these differences were not abnormalities in personality. Instead, he maintained that human behavior is predictable and classifiable that everyone has and acts upon personal preferences, established in early childhood.…

Professors--obsessed with being perfect, eager to criticize, disillusioned after years of sacrifice in graduate school--may be making themselves emotionally ill. Something in the academic environment contributes to the personality profile that David F. Machell has developed. (MLW)