In 1992, Blech was listed on Forbes magazine's list of the 400 richest Americans with a net worth of more than $300 million. His lawyer said Wednesday that he still has shares left in some companies, but he no longer is worth tens of millions of dollars.
By 2001, Blech told The Seattle Times that he was already planning a comeback.
"I may have one more go at it in me," he said. "This time, I would try to do it in a more measured way, with only one or two biotech companies. I would not try to save the world."
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