Reinhardt co-authored a Harvard Business School case study of Patagonia in 2010.

WSJ: Patagonia's Founder is America's Most Unlikely Business Guru

Aravind's innovative approach, the subject of a Harvard Business School case study, has earned it admirers around the world.

FORBES: Companies, People, Ideas

Harvard Business School has produced a case study of the dabbawalas, urging its students to learn from the organisation, which relies entirely on human endeavour and employs no technology.

ECONOMIST: Management trends

His attitude regarding the responsibility to help others led to the hiring of thousands of Black employees, women and Latinos and is the subject of a Harvard Business School case study.

FORBES: Leave the Door Open and the Ladder Down

But it still made good strategic sense, according to a case study about the purchase by Josh Lerner of Harvard Business School.

ECONOMIST: Hony Capital wants to help Chinese firms go global

This will be a great case study for my next crisis management class at the University of Utah law school.

FORBES: Was Greenpeace's Shell Hoax Brilliant Or 'Villainous'? One Of The Guys Behind It All Speaks.

Marc Buelens, who teaches in the international MBA program at the Vlerick Management School, in Belgium, now devotes a large part of his leadership course to an extended case study of the polar explorer Ernest Shackleton.

FORBES: The Business School Beat