Richard D. Ryder British psychologist and animal rights advocate (b. 1950) Parents Vera Mary Cook Dudley Claud Douglas Ryder Children Emily Nancy Charlotte Ryder Henry Arthur Woden Calcraft Dudley Ryder Siblings Benjamin Guy Dudley Ryder James Calcraft Dudley Ryder Jennifer Cherry Ryder Jacqueline Iris Ryder Gabrielle Nancy Ryder Partners Audrey Jane Smith
