Michael Grumley (July 6, 1942 – April 28, 1988) was an American writer and artist.
He attended the University of Denver, the City College of New York and the Iowa Writers' Workshop.
[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.
In the book Grumley concluded that anthropoid giants once roamed the earth, and that today there are still isolated survivors which he claimed are living in tunnels and caves.