Spirograph Spirograph Spirograph is a geometric drawing toy that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids. It was developed by British engineer Denys Fisher and first sold in 1965. The name has been a registered trademark of Hasbro Inc. since 1998 following purchase of the company that had acquired the Denys Fisher company. The Spirograph brand was relaunched worldwide with original product configurations in 2013 by Kahootz Toys. In 1827 English architect and engineer Peter Hubert Desvignes developed his "Speiragraph", a machine to create elaborate spiral drawings, intended to prevent bank note forgeries. The mathematician
Herman Fisher manufactured 16 wooden toys which proved highly popular at the American International Toy Fair in New York City. Fisher was the president and chairman of the Fisher-Price company from its inception in 1930 to 1969. He was instrumental in building Fisher-Price into the world's largest manufacturer of preschool toys. Along with Irving Price and Helen Schelle, he established the simple but strict Fisher-Price creed: ""Fisher-Price toys should have intrinsic play value, ingenuity, strong construction, good value and action"." Herman Fisher was also instrumental in spearheading many 'firsts' in the toy industry. He coined the term “preschool toys” with the advent