Hello how may I help you? I need to know who the oldest person of all time was. I can help you with that! One moment while I process your request... Okay The oldest person ever whose age has been verified is Jeanne Calment (18751997) of France, who died at the age of 122 years, 164 days Do you know if she was a smoker? Yes. Jeanne Calment started smoking at age 21. That is interesting I am glad I could help! Is there anything else I can do for you today? Thank you for your info You are welcome! Have a great day.