He is researching about a new energy source.

He is known as a person with learning.

It is important to understand the importance of health.

The doctor said his illness is genetic.

He needs special care because of his inherited disease.

His red hair is thought to be an atavism.

My brother is a graduate student at the University of Tokyo.

He is a world-renowned researcher.

My laboratory is on the third floor of the university.

He is known as an excellent researcher.