Matthieu Ricard is considered to be 'the world's happiest man" as per scientists, as he had shown under tests conducted by neuroscientists to produce high levels of gamma waves, associated with well-being and focus. Scientists studied the world's happiest man for 12 years. This is what they found Here are some tips by Ricard on cultivating happiness... 'World's happiest man' says the secret to being happy takes just 15 minutes a day