Business & Finance: Alligators by Roebling

Hulking, 300-lb. multimillionaire, twice-divorced Donald Roebling never set out to be a munitions inventor. Grandson of Brooklyn Bridge Builder Washington A. Roebling, he could have raced fancy cars, captained yachts, cavorted on his Clearwater, Fla. showplace estate for a lifetime. But last week amphibious tractors, invented by 34-year-old Donald, were rolling off the production lines of four big U.S. manufacturers, were the pride & joy of the U.S. Navy, were one of the reasons for U.S. successes at Guadalcanal.

The Hurricane. It all started back in 1935 when a disastrous hurricane screamed through...

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