But it has burned brightest in the expertise of former protégés like the composer Maria Schneider, who had a formative tenure as his copyist and assistant.
To those who worry that these 100 will sell their services to the highest bidder, he points out that Aum Shinrikyo spent several million dollars trying to buy technology and expertise from former Soviet scientists, only to come away empty-handed.
It becomes easier and more efficient to train new students, uniformly communicating the expectations of the research and all the related safety hazards without relying on the expertise of former group members.
One major financial services company hires alumni as temporary workers during periods of high demand, and another company taps into the expertise of former employees as market research sources.
Managers can create an intranet listing of employees' areas of expertise and former work experiences so that salespeople assembling ad-hoc teams can easily find the most appropriate members.
Such a law would also rob the Intelligence Committee itself of many of the tools -- media exposure, the expertise of former officials, input from academic experts and nongovernmental organizations on classified matters -- that Congress depends on for checks and balances on the executive branch.
You probably knew that already, although I had to rely on the expertise of former Welsh Secretary Paul Murphy, a man who knows his saints.
They had not employed any "ultra, ultra criminals" but needed the expertise of former "naughty boys", he told BBC Radio 4's PM programme.
While cryptocurrency firms may benefit from the knowledge and expertise of former regulators serving as directors or advisors, the primary factor motivating these appointments is a desire for legitimacy; and this is where the comparison to the traditional Washington-Wall Street revolving door breaks down.
While the value placed on the expertise from former medical tourists by those engaging in decision-making around pursuing care abroad should not be discounted given their first-hand knowledge of what to expect from particular hospitals or surgeons, the conspicuous absence of a neutral, yet informed, third party informing the decision-making process must be noted.
