The transition added more seasoned experts to the institute's staff, many of whom do extensive work for clients with little or no input from Mr. Lovins.
But Donziger's team commissioned a peer review of the findings from Stratus, an environmental consulting firm in Boulder, Colorado, that has done extensive work for the U.S. government.
His devotion to Judaism, Israel, social justice and educational opportunity was evident in his extensive work for Federation of Palm Beach County and other charities and organizations.
"You don't regulate nuclear safety if you're a state," said Jay E. Silberg, a lawyer at Shaw Pittman, which does extensive work for reactor operators.
Last summer, Dennis I. Wilenchik, a lawyer who had done extensive work for Sheriff Arpaio and Mr. Thomas, was named a special prosecutor to handle the investigation, working under Mr. Thomas.
A different lawyer in Kasowitz's firm showed up in court instead, avoiding a scenario that would have highlighted Kasowitz's extensive work for high-profile Russian clients.
The former company officials say that Greystone did extensive work for the intelligence community, though they did not describe the nature of the activities.
"It's a rising new frontier of aviation," said Andrew R. Lacher, a researcher at the Mitre Corporation, a nonprofit organization that does extensive work for the government on drones.
An engagement with the London Philharmonic Orchestra led to extensive work for Ensa, and after the war, having met his future wife Margaret in Leamington Spa, Tausky decided to remain in England.
