He is a world-renowned scholar.

He is an excellent chemist who made many discoveries.

The new school building has been completed.

He is a world-renowned agronomist.

I am majoring in social science at university.

He is a world-famous scientist.

He is a renowned scientist who has made many discoveries.

He is an excellent leader of our team.

He crossed the road and headed to the park.

He is the leader of the team developing the company's new product.