Congratulations to Nelson Dellis, two-time USA Memory Champion, for becoming a Grandmaster of Memory in the 21st annual World Memory Championship in London! Nelson officially has one of the best memories in the world! 

To achieve the prestigious title of Grandmaster of Memory, Nelson did the following: 

1. Memorized a deck of cards in 40 seconds

2. Memorized more than 12 decks of cards in an hour

3. Memorized a 1,300 digit number in an hour

Impressive! Way to go, Nelson, and good luck at the upcoming USA Memory Championship in March!