pedigree. In 1772, Benjamin Franklin was asked for advice by a colleague who’d been offered an unusual job opportunity. Franklin replied in a letter that, given his lack of knowledge of the situation, he couldn’t offer advice on whether or not to take the job. But he did suggest a process the colleague could use to make his own decision. Franklin said that his approach was “to divide half a sheet of paper by a line into two columns, writing over the one Pro and over the other Con.” During the next three or four days, Franklin said, he’d add factors to the two columns as they occurred to him.
