Many persons have seen expert players at draughts and chess who, blindfolded, could carry on numerous games with many competitors and win most of the matches.

To realize what a wonderful feat of memory this performance is, one need only see the absolute exhaustion of one of these men after a match.

In whist, some experts have been able to detail the succession of the play of the cards so many hands back that their competitors had long since forgotten it.
There is reported to be in Johnson County, Missouri, a mathematical wonder by the name of Rube Fields.

At the present day he is between forty and fifty years of age, and his external appearance indicates poverty as well as indifference.

His temperament is most sluggish; he rarely speaks unless spoken to, and his replies are erratic.
The boyhood of this strange character was that of an overgrown country lout with boorish manners and silly mind.