The company is still stumbling from the recall of the key cholesterol drug Baycol.

FORBES: Magazine Article

Likewise, the recall of a key cholesterol drug led Bayer to detach its health care division so that it could partner the unit with other companies.

FORBES: Bayer Finds Breaking Up Hard To Do

In evidence to a UK parliamentary hearing in July 2011, Murdoch said he could not recall seeing a key document known as the "for Neville" e-mail.

CNN: James Murdoch: Son of the Sun king

Shinichi Sasaki, who was in charge of quality control, played a key role in handling the 2009 recall.

WSJ: Toyota Overhauls Management

Associates recall how Hays would sometimes travel on the road for a week with a key salesperson who was experiencing a slump, working at reestablishing morale.

FORBES: An American original

As Ms Churchman explains, modern maths teaching focuses on the key concepts, and a renewed emphasis on mental methods and strategies as opposed to recall.

BBC: Are parents being left out of the maths equation?