"The economic situation has had an impact on why teachers have remained in the profession, " said Carla Theodorou, principal of the Metropolitan High School in the Bronx.

WSJ: Data Shows Teachers Stay in Job Longer

Most law schools are stuck with the idea that law is a dignified profession with elegant theories that should be the principal focus of law school classes.

FORBES: Does America Need 202 Law Schools?

One of the two main criticisms of the oath and of the whole idea of turning management into a profession, particularly in business-school faculties, is that it is either unnecessary or actively harmful.

ECONOMIST: A Hippocratic oath for managers

And 15% of the doctors had already worked in a different profession before entering medical school.

BBC: NEWS | Health | New women doctors 'outnumber men'

Teachers cite lack of planning time, workload, and lack of influence over school policy among other reasons for their decision to leave the profession or transfer schools.

FORBES: High Teacher Turnover Rates are a Big Problem for America’s Public Schools

Scottish primary school teachers should have the equivalent of a science Higher before they enter the profession, according to a group of experts.

BBC: Science qualification call for new primary teachers

Dr Andrew Fairbairn, senior tutor in charge of medical school admissions at Newcastle University, agreed improved communication skills would save the medical profession from being branded "arrogant".

BBC: Doctors: The future generations

Many of us came to the profession out of other portals not specifically tied to advertising, such as Creative Writing, Media Studies or the Art school.

FORBES: Less Fartsy, More Artsy: The Evolution of Advertising Into an Art Form

Roughly the reverse of Mr Mintzberg's complaint is the criticism advanced by Rakesh Khurana of Harvard Business School, who is writing a book on why management has failed to develop as a profession.

ECONOMIST: Business schools