Brace has remained a vigorous proponent of the idea that Neanderthals are ancestral to modern humans.

He was a vigorous proponent of policies of controlling the money supply, cutting public spending, and reducing the legal privileges of the unions.

During this period, he was known as a vigorous proponent of housing for retired veterans.

During the Prague Spring events in Czechoslovakia, Andropov was a vigorous proponent of "extreme measures".

From earliest times, this hearty plant has had vigorous proponents.

Dr. Kessler, the most vigorous proponent of the new labels, seems willing to do almost anything to prove how easy they are to understand.

While advocating preparations for nuclear war, he was also a vigorous proponent of the ban on atmospheric nuclear tests.

She was an early and vigorous proponent of a missile defense shield.

He was a vigorous proponent of Captain Roy Brown as the victor over Richthofen.

And although the Governor has often borne the brunt of blame for one shots, he has by no means been their most vigorous proponent.