Abstract

“The difficulty of discussion between people brought up in different frameworks is to be admitted,” Karl Popper writes. “But nothing is more fruitful than such a discussion; than the culture clash which has stimulated some of the greatest intellectual revolutions.”71 Certainly Kirby and Darwin were brought up in different cultures — Kirby with his Anglican-Tory orientation, Darwin with his Whig-liberal background — and certainly the clash generated some interesting theories; but it also resulted in the revival of Lamarck's discredited habit theory, which took another century of careful experimentation to weed out