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FORTUNE — When Steve Jobs stepped down in August as Apple’s CEO for health reasons, it got us thinking about the arc of his spectacular career. His product presentations became rock star events that continually disrupted the industry. –Anne VanderMey

Photographs are culled from launches, expos, and Jobs' other appearances with new products. Sources: Apple; The Fortune Archive; The Computer History Museum in Mountain View, Calif.

Here are a few of our favorite facts about Steve.

1.7 MB: The memory of Apple’s Lisa in 1983 — enough for one or two photos. The PC’s price tag? $10,000. Go, Moore’s law.

‘i’: What does the “i” stand for in iMac and iPod? In Steve’s iMac introduction in 1998, he said the “i” stands for “Internet, individual, instruct, inform, inspire.”

$10 million: What Jobs paid director George Lucas to buy Pixar in 1986. Twenty years later Jobs sold the movie company to Disney for $7.4 billion. Today Jobs owns 7.4% of the entertainment giant, worth roughly $4.5 billion, or more than twice his Apple (AAPL) stake.

$4,032: Revenue per square foot five years after the first Apple store opened in 2001. The next best that year? Tiffany, with $2,666.

This article is from the September 26, 2011 issue of Fortune.