Dr Kim Jong Sun, a researcher at Pyongyang Middle School No 1 which is one of the prestigious educational institutes of the Democratic People’s Republic of Korea, has trained many teachers in fast reading. Students from the DPRK achieved marvellous successes at the 27th and 28th World Memory Championships
in 2018 and 2019. They set up new world records and won the prize of the International Grand Master of Memory. They were all trained by the doctor.