John Jacob Astor IV (July 13, 1864 – April 15, 1912) was an American business magnate, real estate developer, investor, writer, and lieutenant colonel in the Spanish–American War. Astor was also a member of the Astor family and Livingston family. He was among the most prominent American passengers aboard RMS Titanic and perished along with 1,510 others when the ship sank on her maiden voyage. Astor was the richest passenger aboard the RMS Titanic and was thought to be among the richest people in the world at that time, with a net worth of roughly $87 million (equivalent to $2.83 billion in 2024) when he died.
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