The brilliant trend-setter was Dave MacKay's free book Sustainable Energy Without the Hot Air.

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As an Industry leader and a trend-setter, Apple was famous for innovation-if you would call it so.

FORBES: Dear Apple: Why Are You So Afraid Of Google, Android, And Samsung Group?

Iriver's sleek new P7 is the perfect on-the-go media companion for any trend-setter.

ENGADGET: 4.3-inch P7 highlights iriver's CES 2009 PMP lineup

Unrest in Egypt is particularly unsettling, because it is the cultural center of the Arab world and is often seen as a trend-setter for the rest of the region.

FORBES: Mideast Unrest, China Spark Swift U-Turn In Outlook For U.S. Defense Industry

Since Steve Ballmer took over from Bill Gates as chief executive in 2000, Microsoft's share price has languished and the company has lost its reputation as a tech trend-setter.

ECONOMIST: The software giant is grappling with a mid-life crisis

In her 90s, she remains a trend-setter.

FORBES: Anna Schwartz, Monetary Historian, RIP