This probably rules out Walter C. Gibson, who was about age three. From
Ancestry.com
26 June 1904, ATLANTA CONSTITUTION (GA), pg. B5, col. 7:
_Dinner This Evening._
This evening at the Piedmont hotel, from 6 to 8 o'clock, the usual
elaborate dinner will be served.
(...)
Anchovy Baskets
Gibson Cocktail
Little Neck Claims Olives...