* p 47: Not just oddballs: mathematician Simon Plouffe (coinventor of BPP algorithm) set memorization record in 1975 with 4,096 digits (broken 1977). 
 * p 47:  current record data (obsolete) 
 * (no page)  modern records:  Akira Haraguchi - 100,000 digits; Lu Chao  67,890  digits.