Did You Know? – The Magic Marker and Highlighter, Part V
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1952 saw the introduction of the “Magic Marker.” The History of Pencils, Markers, Pens, and Erasers (thoughtco.com) Highlighters were introduced in the 1970’s. Id. The fiber tip pen was invented in 1962. And, the “Hi-Liter®” was trademarked in the 1990’s. Id. Gel pens were introduced in 1984. “The gel ink uses pigments suspended in a water-soluble polymer matrix.” Id.[1]
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[1] Bellis, Mary. “The History of Pencils, Markers, Pens, and Erasers.” ThoughtCo, Aug. 28, 2020, thoughtco.com/writing-instrument-history-4083355.
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