Subject: Boy becomes member of exclusive genius society… at FOUR years old! Dr Katsioulis achieved a recorded IQ 198 and he is reported having one of the highest adult IQ scores.

Publisher: Express.co.uk
Author: Benjamin Russell
Date: 2014/03/12
Location: UK
Language: English
Reference type: Reportage
External reference link: Boy becomes member of exclusive genius society… at FOUR years old!