Add punctuation: In 1900 because of his dislike of working with Mach Boltzmann moved to Leipzig but here he became a colleague of his strongest scientific opponent Wilhelm Ostwald
A: In 1900, because of his dislike of working with Mach, Boltzmann moved to Leipzig but here he became a colleague of his strongest scientific opponent Wilhelm Ostwald.

Add punctuation: And it doesnt take much to transform the conservatory into a useful space
A: And it doesn't take much to transform the conservatory into a useful space.

Add punctuation: The visit ended with cake and soda
A:
The visit ended with cake and soda.