He has been one of the key proponents of Urban Agriculture in India.

Architect and town planner Harold Boas was one of the key proponents of building on the site.

He was a key proponent of strategic bombing in aerial warfare.

Heal developed his business as a design, manufacturing and retail concern in accord with the philosophy of which he was a key proponent.

He was a key proponent of the Thatcher Government's privatisation policy.

She was a key proponent of the Women's Lawyers Bill allowing women to practice any profession in California.

Hackbarth is a key proponent of building a new stadium for the Minnesota Vikings.

Although key proponents of the measures express optimism that continued spending will eventually help advance students performance, middle and high school students have not improved.

He was a key proponent of Proposition 204, which voters approved in November 1996.

Barnes was a key proponent of sterilisation and euthanasia in post-war Britain.