Answer:
They developed the first mathematical system of painting perspective
Yes. When there is one B flat for one note in the whole measure, it means it's the same note until you get a different note in another measure
Answer:
Muybridge invented the zoopraxiscope in 1879, a machine that allowed him to project up to two hundred single images on a screen. In 1880 he gave his first presentation of projected moving pictures on a screen to a group at the California School of Fine Arts, thus becoming the father of motion pictures.
Dante Gabriel Rossetti was an English painter from the 1800's.
The Proserpine is an Oil on Canvas from 1874 and it is said to reflect the artist's personal life and state of mind: he most likely suffered from depression (that is why the expression is sad). He had a nervous breakdown just a few years before creating this painting.
