What distinguishes professionalism in academics from other involvements? Everyone praises the nobleness of academics, but what makes us "professional" in practice? To be "professional," some of our colleagues participate in as many professional societies and conventions as possible; others research and publish as much as they can; still others seek high administrative positions. Is professionalism desirable in your opinion? If so, how would you or do you achieve it? Can you cite concrete cases?