 Hollywood actor Johann Urb (born January 24, 1977) is an Estonian living and working in the United States.Kerli Kõiv (born February 7, 1987), better known mononymously as Kerli, is an Estonian pop singer residing in the United States since 2005.Psychologist, psychobiologist and neuroscientist Jaak Panksepp (born June 5, 1943) coined the term 'affective neuroscience', the name for the field that studies the neural mechanisms of emotion.