David Kwong is a magician and cruciverbalist (crossword constructor) who mixes puzzles and prestidigitation. Kwong was the head magic consultant on the worldwide hit film Now You See Me and is the secret code consultant for NBC’s Blindspot. A TED Talk favorite, Kwong recently published Spellbound: Seven Principles of Illusion (HarperCollins), which breaks down the neuroscience of how your brain is fooled.