Ahh, Suzanne, you should know better than to try and challenge me with that!

The R. stands for Robert, as in Solomon Robert Guggenheim. There is a picture
of him, as well as biographical information in the CAMBRIDGE BIOGRAPHICAL
ENCYCLOPEDIA (1994) by David Crystal (info on page 408, photo on page 409).

Anita Cohen-Williams; Reference Services; Hayden Library
Arizona State University, Tempe, AZ  85287-1006
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