King was recognized as one of the greatest authorities on gems.

He was considered one of the world's greatest authorities on the platypus.

Esmarch was one of the greatest authorities on hospital management and military surgery.

Joseph was considered one of the greatest authorities among the Karaites.

Jack Dempsey described him as "the greatest authority on boxing."

You are our country's greatest authority on ancient Chinese history and culture.

He became one of the greatest authorities on the commercial law of Germany.

He eventually became one of the greatest authorities in Jewish law at the time.

Kingsford became recognized as our greatest modern authority on the history of the late 15th century.

It says among all the staff members, only one holds the greatest authority to make the final decision.