What is the personality type of An Invisible Sign (2010)? Which MBTI personality type best fits? Personality type for An Invisible Sign (2010) from An Invisible Sign 2010 and what is the personality traits.
Mona Gray is a 20-year-old loner who turned to math for salvation as a child after her father became ill. As an adult she now teaches the subject and helps her students through their own crises. font: https://www.imdb.com/title/tt1212454/