Spirograph Bruno Abakanowicz invented the Spirograph between 1881 and 1900. It was used for calculating an area delimited by curves. Drawing toys based on gears have been around since at least 1908, when "The Marvelous Wondergraph" was advertised in the Sears catalog. An article describing how to make a Wondergraph drawing machine appeared in the "Boys Mechanic" publication in 1913. The Spirograph itself was developed by the British engineer Denys Fisher, who exhibited at the 1965 Nuremberg International Toy Fair. It was subsequently produced by his company. US distribution rights were acquired by Kenner, Inc., which introduced it to the United
Denys family Denys family The surname Denys was borne by at least three prominent mediaeval families seated in Gloucestershire, Somerset and Devon in south-west England between 1166 and 1641. It is not known if any relationship existed between these families. The surname "Denys" is just one of many variant spellings of the name: "Denise", "Le Deneis", "Le Danies", "le Deneys" and most recently "Dennis", are some of the others. The family of Denys was apparently of Danish origin, and was recorded in early Norman charters in French as "le Deneys", meaning "The Dane", which was frequently Latinised by scribes as Dacus, being