He proposed a new theory about quantum mechanics.

He is an expert in petrochemistry.

I have a deep interest in French literature.

I am majoring in machine learning.

I plan to enter a private university next year.

He is known as an expert in pedagogy.

He is very excellent in the field of arts and sciences.

He is majoring in zoology at university.

He is good at performing opera.

He is majoring in architecture.