It appears as late as 1961, by then suitably disguised, in his popular story “The Voice of the Dolphins”: a tankful of dolphins at a “Vienna Institute” begin to impart their compelling wisdom to the world through their keepers and interpreters, who are U.S. and Russian scientists; the narrator slyly implies that the keepers may be the real source of wisdom, exploiting mankind’s fascination with superhuman saviors to save it.57