(31st August 1942 - )
Born in Woonsocket, Rhode Island. Interested since 1950 when played role of a magician in school play. Electrical engineer and patent agent in Alexandria, Virginia. Semi-pro mental magic since 1960, aka 'Kronin' 1963-79.
He is the man who has more than any other explored the magic applications of the de Bruijn cycle also known incorrectly as bracelet codes or grey codes.