Earle , Sylvia
Kaku, Michio
Close , Frank
Seguí Simarro, José María
Lewin, Walter; Goldstein, Warren
Sampedro, José Luis; Fuster, Valenti; Lucas,
Isaacson, Walter
Wilson, Wilkie; Swartzwelder, Scott; Kuhn, Ci
Estupinya, Pere
Dudeney , Henry E.
Penrose, Roger; Hawking, Stephen
