He memorized huge amounts of information on subjects such as history, geography,sport,music and literature. He also had an incredible with numbers and dates.
To read more quickly , he read the left page with his left eye and the right page with his right eye. By reading two pages at the sametime, it took him less than an hour to read a whole book. By the age of 30 , he had memorized the contents of around 12,000 books.