Complex sentence: Natural deduction grew out of a context of dissatisfaction with sentential axiomatizations common to the systems of Hilbert, Frege and Russell, most famously used by Russell and Whitehead in their mathematical treatise "Principia Mathematica".
Split into simpler sentences: Natural deduction grew out of a context of dissatisfaction with sentential axiomatizations common to the systems of Hilbert, Frege, and Russell. Such axiomatizations were most famously used by Russell and Whitehead in their mathematical treatise "Principia Mathematica".