Letter from [Alan Archibald Campbell] Swinton, to Lord Blackburn Acknowledges receipt of a previous letter. Informs he wrote last Monday and has since had a conversation with Sir William McCormick, who tells him that he does not think Professor D'Arcy Thompson would be eligible to succeed Sir Alfred Ewing under the new regulation as to age. Encloses a copy of a letter he sent to Sir Alfred Ewing in which he mentions another Professor, John Cunningham McLennan [enclosure not present]. 19 April 1929