dives, in early 1954, it descended to belo, nearly times Barton’s record-breaking dive of six years earlier. But deep-sea dives required a greatdeal of costly support, and the Piccards were gradually going broke.

    In 1958, t left trol. No  ttle more than peepholes.

    But it rong enougo and truly enormous pressures, and in January 1960Jacques Piccard and Lieutenant Don also ttom of t canyon, trencern Pacific(and discovered, not incidentally, by er). It took just under fouro fall 35,820 feet, or almost seven miles. Alt t depticed  turbed a bottom-dfis as toucies for taking pograp.

    After just ty minutes at t point, turned to t he only occasion on which human beings have gone so deep.

    Forty years later, tion t naturally occurs is: obegin emperament, forceful vie pertinently, control of tmental c underer exploration a e of resources and pointedout t t a researcitute. tion, moreover,  to becomefully preoccupied ravel and t to send a man to tigations seem unimportant and rat tion  trieste descent didn’t actually acer: “e didn’t learn a  from it, ot .

    again?” It o go to find a flatfisoo.

    Repeating today, it imated,  at least $100 million.

    er researc tention of pursuing apromised exploration program, tcry. Partly to placate its critics, to be operated by titution of Massacts. Called Alvin, in someracted   go anye. t one problem: t find anyone o build it. According to illiam J. Broad in ted to take on a project disparaged by botronage.” Ev