Grumley was a founding member of The Violet Quill.[3] His partner, another founding member of the Quill, was Robert Ferro.[4] He wrote a regularly appearing column Uptown for the New York Native.[5] Grumley and Ferro are buried together under the Ferro-Grumley memorial in Rockland Cemetery, Sparkill, New York.
Following their deaths, the Ferro-Grumley Foundation, which manages their estate, created and endowed the annual Ferro-Grumley Award for LGBT fiction in conjunction with Publishing Triangle.
Grumley was interested in cryptozoology, he was the author of a book on Bigfoot, titled There are Giants in the Earth the book was first published in 1975 with a later edition appearing in 1976. In the book Grumley concluded that anthropoidgiants once roamed the earth, and that today there are still isolated survivors which he claimed are living in tunnels and caves.[6]
^University of Wisconsin Milwaukee, Commencement Program, June 7, 1964. See also Michael Zetteler, the Zonyx Report, www.reocities.com/enchantedforest/field/8106/TEXTS/BugHist.html