I'm doing a phd in chemistry decadron dose for peds Food is top of P&O's priorities for the Britannia: to a sparkling culinary line-up, that includes Marco Pierre White, Atul Kochhar, master ptissier Eric Lanlard and oenophile Olly Smith, P&O is adding TV chef James Martin, who is opening a sleeves-rolled-up Cookery Club on board, where passengers will be able to learn some of Martin's most famous dishes.