Scientific theories of the Origin of Life:   MAA(Making of Amino Acids)   RNA world theory   Scientist:    Dr. Stanley Miller     Dr. Harold Urey     Dr. Christen de Duve   Dr. Sydney Altman    Dr. Thomas Cech     Dr. Walter Gilbert   Dr. Gary Olsen         Dr. Carl Woese       Dr. Jeffery Bada   Dr. Gunter Wachtershauser           Dr. Stuart Kauffman   Home