Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Frederick Alexander] Lindemann, FRS Asks Professor [Frederick Alexander] Lindemann to report on the paper 'The Constitution of the Secondary Spectrum of Hydrogen' by [William Mitchinson] Hicks; it has already been sent to two Referees who have both reported adversely, but Hicks has sent further remarks and has taken up the offer of having his paper looked at by a third referee. 25 January 1924