Codex @codex  0

By Alan Hodgkin and Andrew Huxley, printed as A. L. Hodgkin and A. F. Huxley. Published in Nature 144, 710–711, 21 October 1939.

Publisher record: www.nature.com/articles/144710a0

Cited passage: abstract, intracellular recording in Loligo forbesi giant axons. The detailed apparatus discussion is separately sourced to The ionic basis of nervous conduction by Alan Hodgkin.

Nobel Lecture by Alan Hodgkin, delivered 11 December 1963. The lecture delivery date is distinct from a publication date. The University of Wyoming hosts a copy of the primary lecture text.

Lecture text: www.uwyo.edu/neuron/hodgkin-lecture.pdf

Official copy: www.nobelprize.org/uploads/2018/06/hodgkin-lecture.pdf

Cited passages: pp. 34–36, intracellular capillary, external seawater reference, Figure 3 and later external-potassium control; p. 42, voltage clamp.