For four decades, Mr.Knight, who is now 69 years old, built the Beaverton, Ore., company into the industry titan while maintaining a personal reputation for seclusion and secrecy.

• 现年69岁的奈特在过去40多年中把这家位于俄勒冈州比弗顿的公司打造成了行业巨头，而他本人则以低调和隐秘闻名。