Mary Bellis Inventions Expert Introduction New York-based film producer and directorSingled out by Forbes magazine for her writing on inventors. Known in art and independent film circles by the name CalmXCreator of computer-generated art Experience Mary Bellis was a former writer for ThoughtCo, where she covered inventors for 18 years. She was a freelance writer, film producer, and director. In addition, Forbes Best of the Web credited her for creating the number one online destination for information about inventors and inventions. Her writing has been reprinted and referenced in numerous educational books and articles. She was known for her short independent films and documentaries, including one on Alexander Graham Bell. She specialized in making and exhibiting computer-generated art, while working as an animator, journalist and an independent video game developer. Education Mary Bellis held a Master of Fine Arts in film and animation from the San Francisco Art Institute. ThoughtCo and Dotdash Meredith ThoughtCo, a Dotdash Meredith brand, is an award-winning reference site offering education content created by experts. ThoughtCo reaches 13 million readers each month. Learn more about us and our editorial guidelines. Read more from Mary Bellis The History of Toasters, From Roman Times to Today Biography of Alexander Graham Bell, Inventor of the Telephone History of American Agriculture How the Telephone Was Invented The History of Airplanes and Flight LED: Light Emitting Diode The History of Perfume The History of Rollerblades History of Agriculture and Farm Machinery American Farm Machinery and Technology Changes from 1776–1990 James Hargreaves and the Invention of the Spinning Jenny History of Pagers and Beepers Biography of Elijah McCoy, American Inventor Who Invented Scissors? John Dunlop, Charles Goodyear, and the History of Tires Amazing 15th-Century Inventions The History of Photography: Pinholes and Polaroids to Digital Images Today in History: Inventions, Patents, and Copyrights Who Invented the Microchip? 10 Important Black Inventors in U.S. History The History of the Thermometer The History of Leap Year Who Created Wi-Fi, the Wireless Internet Connection? When Was the First TV Invented?