For example, without Machado, the work of Virginio Colombo, a highly esteemed Italian-Argentine architect from the turn of the 20th Century, would otherwise go undocumented.

BBC: Preserving history in Buenos Aires

Some may be crackpots, but the list includes Nobel laureates (Gary Becker, Robert Lucas, Thomas Sargent) as well as other highly esteemed researchers (Robert Barro, John Cochrane, Eugene Fama, Greg Mankiw).

FORBES: Sequester and the Economic Forecast: Not Much Impact

Vijay Govindarajan, a professor at the Tuck business school at Dartmouth and highly esteemed management consultant made much the same point in an interview I did with him for Forbes video.

FORBES: Nestle Chairman: 'Don't Go to the Top.'

During his lifetime Preti was highly esteemed.

ECONOMIST: Il Cavaliere Calabrese | The

Apple are both highly esteemed brands.

FORBES: Leadership Lesson: The Difference Between Google and Apple

These are highly esteemed scientific organizations.

FORBES: A Call to Arms on Climate Change

But what is clear is that appetite for top pieces and highly-esteemed artists remains strong, despite the economic headwinds.

FORBES: 'New Era' For Art Markets As Collectors Drop Half A Billion At Christie's Contemporary Sale