Which of these are plays written by Bertolt Brecht?
A) The Caucasian Chalk Circle
B) Galileo
C) Copernicus
D) Archimedes
E) Man Equals Man
Choose the correct answer from the options given below:

The correct option is A, B and E.

Let us analyze the given plays to determine which ones were written by the German playwright and poet Bertolt Brecht:
1. A) The Caucasian Chalk Circle: This is one of Bertolt Brecht's most famous epic plays. Written in 1944 while he was living in the United States, it is a classic example of his epic theatre style.
2. B) Galileo: Also known as Life of Galileo (German: Leben des Galilei), this play was written by Bertolt Brecht between 1938 and 1943. It details the life and struggles of the famous scientist Galileo Galilei with the Inquisition.
3. E) Man Equals Man: Originally titled Mann ist Mann in German, this is a prominent early play by Bertolt Brecht, written between 1924 and 1926, which explores themes of brainwashing, identity, and imperialism.

The options C) Copernicus and D) Archimedes are not plays written by Bertolt Brecht. Therefore, the plays written by him are A, B, and E.