What is cinematography? 
It has to do with the science or art of motion pictures.
I like motion pictures
So do I, especially when the motion picture is perfected to an artistic level. Science and art are very prevalent.
When was the first motion picture?
Cinematography
Cinematography (from ancient greek κίνημα, "kìnema" "movement" and γράφειν, "gràphein" "to write") is the science or art of motion-picture photography and filming either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as film stock.
Cinematographers use a lens to focus reflected light from objects into a real image that is transferred to some image sensor or light-sensitive material inside a movie camera. These exposures are created sequentially and
Academy Museum of Motion Pictures
The Academy Museum of Motion Pictures is a museum currently under construction by the Academy of Motion Picture Arts and Sciences in Los Angeles, California. Set to open in early 2020, the Academy Museum will be the nation's first large-scale museum entirely dedicated to the art, science, craft, business, and history of film. The permanent and rotating exhibits will provide an immersive experience for visitors to explore the cultural and creative contributions that Hollywood and the film industry have made around the world