She also introduced the concept of numbers, which seemed to make no sense to him whatever.

In this work he also introduced the concept of effective population size.

In an 1894 paper, he introduced the concept of the fundamental group.

He introduced new concepts such as security community to the literature.

And there is his 1999 comedy special, which introduced the concept.

What alternative ways can you suggest for introducing the concept of time?

The show also introduced the concept of the "featured player."

He introduced the legal concept of asset protection in the 1980s.

While introducing western concepts and technology, they also shared their language.

He introduced the concept of intervention by family, friends, and employers.