Tolkien
In Birmingham, "Gamgee" became the colloquial name for cotton wool, which possibly led to the character name (Sam Gamgee) in J. R. R. Tolkien's The Lord of the Rings.
The connection is not certain: in Appendix F to The Lord of the Rings, Tolkien mentions, but at the same time denies, the reading of Gamgee as a pun relating to the name of Sam's wife, Rosie Cotton. He further elaborates the 'real' Westron names of which 'Gamgee' and 'Cotton' are translations.
However, in the same section Tolkien also addresses hobbit (which was certainly created first and translated afterward, as described in Tolkien's own comment on the initial writing of The Hobbit) and Brandywine (an obvious English pun on the Elvish Baranduin, 'justified' as translation of a similarly alcoholic pun in Westron). In this context we may suspect that the Professor is speaking tongue-in-cheek; the Gamgee entry is phrased such that it can be read as a poker-faced, academic way of pointing out that the joke is there, whether or not he intended it.
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