By Hugh Williamson
By Derek Jarrett
By Dalsimer, Katherine
By Charles Martin
By Romm, James
By Mandler, Peter
By Gay, Peter
By Ramsey, Paul
By Wilken, Robert L.
By De Solla Price, Derek
By Bauer, Yehuda
By Simpson, George Gaylord
By Dobzhansky, Theodosius
By Fogel, Gerald I.
By Parry, Jonathan