Lee de Forest, “Means for Recording and Reproducing Sound”, #1,446,246 US PATENT, 20 February 1923. Continued

INTRODUCTION.

Lee de Forest in 1923 was the inventor of “35mm (millimeter) celluloid talking film”. 

Thomas Edison’s patent filed in 1897 was the invention of “35 (millimeter) mm cinema”.

Celluloid 35 (millimeter) mm film adaptation of the genres of literature became possible with this invention by Lee de Forest of “talking films” in 1923. 

Literature, as an art form, has six (6) genres:

1. Cinema,
2. Fiction,
3. Nonfiction,
4. Theater,
5. Poetry,
6. Folktales.

Five (5) of these genres originated in Oral Prehistory; and, only Cinema originated (technologically) in modern times as a Literary genre.