During his lifetime , Gall collected and observed over 120 skulls in order to test his hypotheses .
Cranioscopy is a method to determine the personality and development of mental and moral faculties on the basis of the external shape of the skull .
During Cranioscopy 's lifetime , Gall collected and observed over 120 skulls in order to test his hypotheses .
Cranioscopy is a method to determine the personality and development of mental and moral faculties on the basis of the external shape of the skull .