| CARLJUNG | Which psychologist originated the concept of introvert and extrovert personality? (4,4) |
| VERTICAL | Part of introvert I called upright (8) |
| PERSONALITYTYPE | Categories in psychology, such as introvert and extrovert, for grouping people (11,4) |
| SKINNER | Which psychologist developed the principle of reinforcement and, with Ferster, published Schedules o |
| OMPHALOS | Member rings round first for object of introvert's attention (8) |
| QUIET | Susan Cain book subtitled "The Power of Introverts in a World That Can't Stop Talking" |
| ZANDRARHODES | English fashion designer famed for her printed textiles and extrovert style (6,6) |
| INVERT | Sort out introverts and turn back (6) |
| NAPIER | Surname of the British conqueror of Sindh, and of the mathematician who originated the concept of logarithms (6) |
| GELLMANN | Nobel Prize-winning physicist who proposed the concept of strangeness in quarks and contributed towards the classification of elementary particles (4-4) |
| MANETHO | Egyptian priest of the 3rd century BC whose Greek Aegyptiaca (History of Egypt) originated the concept of pharaonic dynasties (7) |
| ADLER | Alfred, Austrian psychiatrist who originated the concept of the 'inferiority complex' (5) |
| BABBAGE | Charles ---, English mathematician and engineer who originated the concept of a programmable computer (7) |
| ONLYFANS | 21st-century site that "helped mainstream the concept of the e-girlfriend," according to a Vox article |
| FRANZMESMER | Austrian physician (1734-1815) who originated the concept of 'animal magnetism' (5,6) |
| CHARISMA | Is male in vintage car displaying personality? (8) |
| DYNAMIST | Unknown male over in half-distance is one with forceful personality? (8) |
| CROATIAN | Actor in a play, perhaps a Split personality? (8) |
| ALTEREGO | What name is given to a person's secondary or alternative personality? (5,3) |
| ATTACHED | What one becomes to a magnetic personality? (8) |
