On another call
order menosan So, although the dressed-down competitors looked suitably geeky with gadgets under their arms and noise suppressors over their ears, they were actually following a centuries-old discipline. According to Daniel Schachter, a Harvard professor and world authority on memory, the same technique was used by Roman generals to to learn the names of the thousands of men who served under them, and by medieval scholars to memorise books at a time when written works were rare.