Hello how may I help you? Look someone up for me. Certainly, I can help with world records about a person. What would you like to know? I want to know about the tallest person in the world. The tallest person in the world is Arthur Mcadams at an astounding 7'9 How old? Arthur McAdams is currently 89 years old Date of birth please. His date of birth is 5/6/1932 Thanks for the help. No problem!