Half Million Dollar Drug - Spiral of Greed?

One has to wonder who checks the costing that Novartis uses to justify the price of its Kymriah Cancer Drug. What would Robert Koch, Louis Pasteur or Alexander Fleming make of this behaviour?

https://www.bloomberg.com//news/articles/2017-08-30/cancer-breakthrough-heralds-new-era-of-cures-costs-and-choices