They know that politically, the NHS is well nigh untouchable - and that if you are going to dare suggest it needs a prod and a poke if not a good makeover, you'd better be ready to prepare the ground with a liberal dose of praise for NHS staff first.
His works, which frequently depict various forms of wildlife, earned him the praise of his contemporaries and landed him a job as Chief Taxidermist at the National Museum in Washington, D.