Her father, a psychiatrist and a pioneer in the use of Lithium for the treatment of manic depression, is the company's principal researcher.

The principal researcher has been Prof. Steven Cohen, one of the scholars who conducted the survey you discuss.

Initially the principal researchers must be strangers to the community; hopefully, before they depart, they will be just the reverse.

Bomb driven x-ray laser research essentially came to an end when the principal researchers were accused of falsifying data, though the program continued until 1992.

Dr. Friedson is a principal researcher in the study reported in the current issue of the journal Nature.

In addition, the principal researcher in the original studies that led to the trial said yesterday that his team had found a flaw in them.

Each typical lab floor can accommodate up to eight principal researchers and their staff.

Although the principal researcher, Douglas Kalman, at first resisted, he was eventually persuaded.

Dr. Dominko, one of the principal researchers trying to clone monkeys, spent three years, and made more than 300 attempts, to no avail.

He is currently a principal researcher at Microsoft Research.