He is at the head of large and important committees, and is an indefatigable worker in legislative lines.

He was an indefatigable worker and projected the district attorney's office into all manner of criminal and civil investigations.

When I awoke next morning that indefatigable worker was still at his post.

Mommsen was an indefatigable worker who rose at five to do research in his library.

He was an indefatigable worker even with his broken health in later life and had remarkable grasp over the minutest detail of the work.

Miller was an indefatigable worker until his unexpected death from heart disease in Sydney on 6 June 1923.

He was known in all the museums of Europe as an indefatigable worker and collector, seeking everywhere materials for comparison.

Rogers demonstrated multiple skills, and was an indefatigable worker.

Stone was a ready convert to Transcendentalism and an indefatigable worker for the cause of reform.

"A brilliant, effective, indefatigable worker for an integrated America in which blacks and whites could prosper alongside one another."