Explanation:
I think it's immerse is like to immerse something
.?.?.?.?.?.?.?.?.?.?.?.?.?.?.?.?.?.?.?.? No clue
To answer your question, E.M. Berens was a male.
Sounds very clear and literal. I would limit the number of times "supporters" was stated. (Maybe you could replace it with a word that has the same meaning so that your text could be more diverse).
Other than that, it's a great passage!