The Richest People In America: William Cook

#69 William Cook $5.0 billion Source Health Care, Self made

Age 77
Marital Status Married, 1 child

Hometown Bloomington, IN, United States
Education Northwestern University, Bachelor of Arts / Science

Used blowtorch, soldering iron and plastic tubing to develop cardiovascular catheter. Founded Cook Group from Bloomington apartment in 1963; now the world's largest privately held medical device manufacturer. Products include stents, embolization coils, needles, vena cava filters. Sales now $1.5 billion. Newest project: $450 million French Lick, Ind. casino. At work by 5 a.m.; eats in company cafeteria.

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