Lenny Lipton

Lipton in 2021 Leonard Lipton (May 18, 1940 – October 5, 2022) was an American author, filmmaker, lyricist and inventor. At age 19, Lipton wrote the poem that became the basis for the lyrics to the song "Puff, the Magic Dragon". He wrote books on independent filmmaking and become a pioneer in the field of projected three-dimensional imagery. Leonard Lipton developed 3D cinema technology that is used in RealD 3D cinemas. His technology is used to show 3D films on more than 30,000 theater screens worldwide.

In 2021, he published ''The Cinema in Flux'', an 800-page illustrated book on the history of cinema technology. Provided by Wikipedia
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The Cinema in Flux [E-Book] : The Evolution of Motion Picture Technology from the Magic Lantern to the Digital Era /