Writers
1984 and Animal Farm are classics, but a much more accurate portrayal of contemporary life than 1984's 'Big Brother' is the middle class despair captured in Orwell's Keep the Aspidistra Flying.
Although Victor Hugo was a talented playwright, it is really his political activism that mattered. He could even be credited with the abolition of the death penalty in Switzerland.
The problem with Malcolm Gladwell is that he writes too well: when you read him, you don't know if you're agreeing with his controversial ideas because he's right, or because he's enchanted you.