About Isabel Briggs Myers
Isabel Briggs Myers was an American writer who co-created the pseudoscientific personality test known as the Myers–Briggs Type Indicator (MBTI) with her mother, Katharine Cook Briggs. The MBTI is one of the most-often used personality tests worldwide; over two million people complete the questionnaire each year. Isabel Briggs Myers typed herself as an INFP (Mediator).
Biography source:
Wikipedia