Space pioneers - Davis, Hank, 1944-; Ruocchio, Christopher; Anderson, Poul, 1926-2001; Niven, Larry; Heinlein, Robert A. (Robert Anson), 1907-1988; Brown, Fredic, 1906-1972; Brown, Fredic, 1906-1972; Drake, David, 1945-; Daniel, Tony; Hoyt, Sarah A.; Leinster, Murray, 1896-1975; Simak, Clifford D., 1904-1988 (Baen, 2018)