Hello how may I help you? I want to know who the best person is? I can help with that but I need more information. Who the best person is at what? Who is the smartest person in the world? The highest measured IQ belonged to Stephen Hawking. Okay and who is the fastest runner? The current record for fastest runner belongs to Usain Bolt Okay and who has the most money? The richest person in the world is currently Bill Gates Thanks for all the info You are welcome, have a great day