We professional scientists are no strange species, alien to our race.

The response of professional scientists to the Foundation's work has been disappointing.

The studies may be conducted by professional scientists or volunteer organizations.

Around half of the 245 members were professional scientists.

But in his time there weren't really any posts for professional scientists.

It is probably not often that a professional scientist gets an opportunity to speak on these occasions.

It is always nice to work with truly professional forensic scientists.

As a professional scientist, I have yet to have one work the first time.

Often he had professional scientists to stay during the summer and John was able to get informal tuition from them.

He was a man very kind and quite funny, his writing style has nothing to do with the one of a professional scientist.