Alberto Garcia Alaxis
Equihua Clementina/Scott Zona
Philippe Manoury
Bressanini Dario
Facundo Manes, Mateo Niro
Geoff Mann, Joel Wainwright
Laurie Winkless
Jimena Barbeito
Pablo Esteban
Neil Degrasse Tyson
Sebastian Lipina, Mariano Sigman, Diego Fernandez Slezak
Novella Steven
Pablo Goldschmidt
Howard Becker
Armando Zandanel
Dr. David R. Hawkins
Mariano Sigman
Nora Bar
Stephen W. Hawking
Ermanno Paolelli
Adrián Paenza
Vasco Szinetar
Schilthuizen Menno
Estanislao Bachrach
Diego Golombek
Colin Stuart
Pierre Marie Lledo
Jose Maria Felipe Mendoza