Hickey, Matthew (hacker House), Arcuri, Jennifer (hacker House) (1) Diener, Ed (university Of Illinois At Urbana-champaign, Biswas-diener, Robert (center For Applied Positive Psychology (1) Guiley, Rosemary Ellen, Paul, Kevin (1) Gallant, Brian J. (1) Cross, Ruth (leeds Metropolitan University), Davis, Sam, O'neil, Ivy (1)