ORIGINALLY a highcalorie energy sustainer for extended hiking, trail mix started becoming very popular in the late 1960s. Affectionately nicknamed Gorp, the basic recipe has been modified to suit the different blood types.

It bears the image of a man etched with the sefirot, the 10 divine attributes, and the legend “Ein Sof,” the kabbalah term for the infinite substance of creation (or for God himself, depending on the context).

Another early video work, Crystal (1982), features videomicrography of actual crystal growth mapped to the changing melodic and harmonic motion of the layered and continuously playing electroacoustic soundtrack.

In a closely reasoned article in The Guardian, Mr. D. L. Munby, Oxford University's Reader in the Economics and Organisation of Transport, has taken Dr. Beeching to task for overstating his case for withdrawing stopping train services as money-losers.