. "Cockcroft" . "Cockcroft, John Douglas (1897-1967)" . "1967"^^ . "1897"^^ . . _:Be64bcca351dfa7cac42fb487297f77c1 . "John Douglas" . . . "John Douglas Cockcroft" . _:Be64bcca351dfa7cac42fb487297f77c1 . _:Be64bcca351dfa7cac42fb487297f77c1 . _:Be64bcca351dfa7cac42fb487297f77c1 "2023-05-20"^^ . _:Be64bcca351dfa7cac42fb487297f77c1 . _:Be64bcca351dfa7cac42fb487297f77c1 . _:Be64bcca351dfa7cac42fb487297f77c1 "071270000" . _:Be64bcca351dfa7cac42fb487297f77c1 . _:Be64bcca351dfa7cac42fb487297f77c1 . _:Be64bcca351dfa7cac42fb487297f77c1 .