This is a good article on JA WheelerHowever the information regarding geometrodynamics is not accurate especially the following statement Wheeler abandoned it as fruitless in the sAs a matter of fact Wheeler kept using the term geometrodynamics to describe Einsteins theory of general relativity till his last days For example in Gravitation and Inertia a book written with the Italian physicist ICiufolini in and which was missing from the bibliography the authors keep referring to Einstein Geometrodynamicsthe title of Chapter  throughout the the book Chapter  is entitled  Tests ofEinstein Geometrodynamics Chapter  is The InitialValue Problem in Einstein Geometrodynamics and Chapter Some Highlights of the past and a Summary of Geometrodynamics and InertiaThis proves that Wheeler did not abandon the concept at all in the s   Georges E Melki