B. B. Hiller
Paulo Mendes Campos
Iain M. Banks
Kurt Mahr
Poul Anderson
Isaac Asimov
Murray Leinster
Eileen Buckholtz e Ruth Glick
Brian Aldiss
Orson Scott Card
Paulo Azevedo
Jean-Jacques Rousseau
Charles Eric Maine
Henrique Villibor Flory
Henrique Villibor Flory
Alfredo Sirkis
Everett F. Bleiler and T. E. Dikty
Frank Herbert