Meistrell brothers, Bob and Bill

Unassuming identical twin-brother surf industrialists from Manhattan Beach, California; cofounders of Body Glove wetsuits. "We're a little Walt Disney Co, without the theme park," Bob once said of the small empire he and his brother built. "Instead, we've got a big ocean."

The Meistrells were born in Boonville, Missouri, in (1928), although Bill was delivered on July 30, and Bill arrived on July 31. They had five older siblings. When the twins were four, their father, an investment banker, w...