House has to diagnose Dr. Ezra Powell (played by Joel Grey), a 71-year-old renowned pioneer in the field of medical research who collapsed while studying cancer in lab rats.

His father, Thomas Hopkins Gallaudet, was the renowned pioneer of deaf education in the United States.

The renowned pioneer of graphic design in Iran, Momayez received the Art & Culture Award of Excellency from the president of Iran in 2004.

He is a renowned pioneer and entrepreneur of the video game industry, having been instrumental in forming two video game developers.

She was a renowned pioneer of women's judo, being the first woman promoted to 6th dan (c. 1972), and later 9th dan (2006), by the Kodokan.

Thackrey's particular expertise was in early photography, in exhibiting which the gallery was an internationally renowned pioneer.

Goddard researched, authored and spoke extensively on the subject of forensic ballistics and firearms identification, becoming the internationally renowned pioneer in forensic ballistics.

D., (December 10, 1787 - September 10, 1851) was a renowned American pioneer in the education of the deaf.

He was a close friend for many years before becoming fire chief of August Vollmer, who became Berkeley's first police chief and a nationally renowned pioneer of modern police work.

Daniel became a renowned and respected pioneer of the West coast Street dance movement.