1537
No, scream was not painted by MC Escher. It was painted by Norwegian artist Edvard Munch. Munch worked on various versions of the painting over about a 20 year period, so several versions exist.
It is Roughly around the Expressionism Period. Not rougly, but definitely an Expressionist painting.
It is valuable, period! Not only to Norwegians.
Edvard Munch painted The Scream.
Yes
Yes, it is.
First it was a Oil painting then it was turned into a lithogram.
The painting in the National Gallery of Oslo (there exist other versions) is 91 cm × 73.5 cm (36 in × 28.9 in).
If you are referring to the painting entitled "The Scream," follow the related link.
Emotionalism is the aesthetic theory to which the painting The Scream adheres.
No, it is in Oslo, Norway.
No actual people.