John Jacob Astor IV was one of the richest men in the world when he died on the Titanic. Here's a look at his life.

Tech Insider : Business
john jacob astor
John Jacob Astor IV was one of the wealthiest people in the world.

Library of Congress/Getty Images

See the most detailed images ever taken of Titanic's wreckage, which was discovered 40 years ago

Tech Insider : Business, Technology
A digital recreation of one of the sections of the Titanic shipwreck
The bow section of the Titanic digitally recreated.

Magellan Limited/Atlantic Productions

A US tennis player refused to have his legs amputated after surviving the Titanic. He later won an Olympic gold medal.

Tech Insider : Sports, Business, Travel
R Norris Williams and the sinking of the Titanic
Richard Norris Williams survived the sinking of the Titanic and went on to become an Olympic gold-medalist tennis player.

George Rinhart/Corbis/Getty Images; Bettman/Getty Images

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