Another Firing Among Google’s A.I. Brain Trust, and More Discord

Less than two years after Google dismissed two researchers who criticized the biases built into artificial intelligence systems, the company has fired a researcher who questioned a paper it published on the abilities of a specialized type of artificial intelligence used in making computer chips.

Another Firing Among Google’s A.I. Brain Trust, and More Discord

The researcher, Satrajit Chatterjee, led a team of scientists in challenging the celebrated research paper, which appeared last year in the scientific journal Nature and said computers were able to design certain parts of a computer chip faster and better than human beings.

Dr. Chatterjee, 43, was fired in March, shortly after Google told his team that it would not publish a paper that rebutted some of the claims made in Nature, said four people familiar with the situation who were not permitted to speak openly on the matter. Google confirmed in a written statement that Dr. Chatterjee had been “terminated with cause.”

Google declined to elaborate about Dr. Chatterjee’s dismissal, but it offered a full-throated defense of the research he criticized and of its unwillingness to publish his assessment.

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