Gyro's First Invention was published by a company founded in what city?
Egmont Group The Egmont Group (formerly The Gutenberghus Group) is a Danish media corporation founded and rooted in Copenhagen, Denmark. The business area of Egmont has traditionally been magazine publishing but has over the years evolved to comprise mass media generally.
GFS Chemicals GFS Chemicals Inc, formerly known as G. Frederick Smith Chemical Company, is a privately owned specialty chemical company with headquarters in Powell, Ohio and manufacturing facilities in Columbus, Ohio. It was founded by G. Frederick Smith in Urbana, Illinois in 1924, and moved to Ohio in 1928.