By Waldau, Paul
By Douglas, Professor Mary
By Blum, Deborah
By Sheldon, Sally
By Penrose, Roger
By Leach, E. R.
By Medical Ethics Department, BMA
By Zee, A., Penrose, Roger
By Edersheim, Alfred
By Florman, Samuel C.
By Graham, Gordon
By Rosenberg, Alex
By Danielsson, Ulf, Fiolhais, Carlos
By Jean-Louis Basdevant
By Barry R. Parker
By Professor Brian Cox, Andrew Cohen, Cox, Professor Brian, Cohen, Andrew
By Adam Frank, Marcelo Gleiser
By Cox, Professor Brian, Cohen, Andrew
By A. Meharg
By Gary Tomlinson
By Erik C. Banks (Wright State University, Ohio)
By Erwin Schrodinger, Roger Penrose
By Professor Colin Sumner, Colin Sumner
By Nuffield Council on Bioethics
By Bryan G. Norton (Bryan G. Norton)
By Ridley, Matt, Matt Ridley
By White
By Patience Coster