John Jacob and madeleine astor claim to fame?

John Jacob Astor IV was a prominent American businessman, real estate developer, investor, writer, and inventor, best known for being one of the wealthiest men in the early 20th century and for his tragic death aboard the RMS Titanic in 1912. Madeleine Astor, his young wife, gained fame as a socialite and for her role as a widow after the Titanic disaster. Their marriage garnered public attention due to their significant age difference and the circumstances surrounding John's untimely death.