Hello how may I help you? Who is the tallest man alive? The tallest man alive is Edward McEdwards. Where is he from? He is from Scotland. Okay, who was the tallest that ever lived? The tallest person who ever lived was Edward McEdward's father, Edwardio McEdwards. Wow. Why are they so tall? Must be something in the gene pool! Do they have a disease? They have no known diseases, but scientists are still trying to study them.