He is known as an excellent theoretician.

Graph theory is a branch of mathematics that studies mathematical structures called graphs.

Information theory is a field of study that mathematically analyzes the amount of information and the efficiency of its transmission.

Theoretically, this experiment should succeed.

He has a deep interest in archaeology.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

He is excited to learn a new programming language.

By learning the C language, you can understand the basics of programming.