St Piran's Day signatures required. Towns and cities that give their staff an annual day off work for St Piran's Day: Schools that give parents the option of taking their children out of school for the day: St Piran's Day St Piran's Day () is the county day of Cornwall, held on 5 March every year. The day is named after one of the patron saints of Cornwall, Saint Piran, who is also the patron saint of tin miners. St Piran's Day started as one of the many tinners' holidays observed by the tin miners of Cornwall. Other miners' holidays of a similar
George S. Day Marketing Association]] [[Category:University of Pennsylvania faculty]] [[Category:Stanford University Graduate School of Business faculty]] [[Category:Harvard Business School faculty]] [[Category:Academics of the London Business School]] [[Category:Columbia Business School alumni]] George S. Day George S. Day is an educator and consultant in the fields of marketing, strategy and innovation management. He is the Geoffrey T. Boisi Professor Emeritus at the Wharton School of the University of Pennsylvania. He founded the Mack Institute for Innovation Management at the Wharton School, where he is presently Faculty Emeritus in Residence. He is best known for the concept of market-driven strategy and organization, and the outside-in approach