 It was created by psychologists Joseph Luft (1916–2014) and Harrington Ingham (1916–1995) in 1955, and is used primarily in self-help groups and corporate settings as a heuristic exercise.Luft and Ingham named their model "Johari" using a combination of their first names.In the exercise, someone picks a number of adjectives from a list, choosing ones they feel describe their own personality.