She appears to be mostly responsible for many classic episodes including "Vitameatavegamin" and the infamous grape-stomping bit:
http://www.nytimes.com/2011/04/22/a...-davis-writer-for-i-love-lucy-dies-at-90.html
http://www.nytimes.com/2011/04/22/a...-davis-writer-for-i-love-lucy-dies-at-90.html