In the same year he developed the concept of the color sphere.

"We've been talking about it for a couple of years and developing the concept," he said.

Unable to develop a concept he was happy with, Brown took the game in a new direction.

Despite the completely successful results of the program, the Army chose not to develop the concept further.

But the nations have yet to develop a concept of coordination.

In the 20th century, however, few feminists created any organization to develop a concept or plan for such a society.

We developed a revolutionary concept of our own in recent years that ideas should be free and public.

Black was inspired to develop the concept by work he did for the government during his time at Digital.

"You've got to develop the concept in the culture," she added.

"If a person has developed their own musical concept, it's not difficult to make it," he said.