Trevor Lock week as the British National Party (BNP). He disproved Descartes' maxim "Cogito ergo sum" by tipping a glass of water over his head, horrifying the front row of the audience. In 2009, Trevor Lock performed a warm up show for the Edinburgh Fringe Festival at a fundraiser for Boxmoor Cricket Club. He had two shows in the 2009 Edinburgh fringe; a stand up show called "Some Kind of Fool" and a play titled "The One and the Many" Lock presents a live comedy night 'Trevor Lock's Philosophy Society' at the Ku Bar in Lisle Street near Leicester Square. In early
Mr. Cogito Seeks Advice"), "Gra Pana Cogito" ("Mr. Cogito's Game"), "Co myśli Pan Cogito o piekle" ("What Mr. Cogito Thinks About Hell"), "Pan Cogito o postawie wyprostowanej" ("Mr Cogito On The Upright Position"), "Przesłanie Pana Cogito" ("The Message of Mr Cogito"). This poetry collection was published in Paris in 1983. An allusion to the state of martial law imposed in Poland by the Communist junta, it was officially unpublishable in Poland. A few months later an underground edition was published by a clandestine press in Poland, and no legal edition was available until 1992. It includes another twelve poems featuring Mr. Cogito,