He is writing a thesis on geomorphology.

He is an expert in osteology.

He is working hard on his studies every day.

He is deeply interested in the theory of ethnic socialism.

We should always remember the power of Kannon in difficult times.

He went to America as an international student.

My older brother is attending a college in Tokyo.

He proposed a new theory about quantum mechanics.

He is a professor of algebra.

I am majoring in economics at university.