Fwiw, these are the disciplines involved in the three studies: -- Sadness/creativity link: a business school professor -- Boredom/creativity link: several psy

Fwiw, these are the disciplines involved in the three studies: -- Sadness/creativity link: a business school professor -- Boredom/creativity link: several psychologists -- Happiness/creativity link: several psychologists, a physician, and a neuroscientist [We can also add "journalist" as another layer in there.]