They dislike the fact he will be paid up to £100,000 – £30,000 more than a backbench MP's basic pay – and made their feelings know with roars of disapproval when the Speaker, John Bercow, announced his appointment.
Kennedy was selected by a committee chaired by Bercow to lead the new Independent Parliamentary Standards Authority (Ipsa). Ipsa will have the task of consulting on the reforms proposed in today's report on parliamentary expenses by Sir Christopher Kelly before deciding how they will be implemented.
It will also take over responsibility from the Commons fees office for overseeing and approving future expenses claims, and will set MPs' pay, pensions and allowances.
An expert on the law and ethics of medicine, Kennedy is emeritus professor of health law, ethics and policy at