It pointed the way to genetics becoming a valuable assistant in the service of genealogy and history.

If all went well, during the next twenty-four hours Major Bill Gunn would unwittingly become his most valuable assistant.

However, Pel proves to be a valuable assistant.

Furthermore, if properly trained, briefed, and assessed, the interpreter can be a valuable assistant to the HUMINT collector.

Dane was already grooming himself for vice president in charge of co-ordination, and he was finding Traymer a valuable assistant.

She saw in him a valuable assistant, if he could be subverted to her interests.

While some aides have become beloved and valuable assistants to the teachers, others perform clerical work or actually sit idle.

Mr. Jackson was a valuable assistant, and Mr. Damon gave what aid he could.

During the first years of the century he became a valuable assistant.

And the camp had gained not only supplies but a valuable assistant.