He added that he was planning to move back to his native Italy and write a book about his son.

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The Louisville native first attracted public attention in 1908 for his book The American College, which condemned higher education for its reliance on lectures versus small classes and hands-on teaching.

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This June saw the opening of a second cookery school on the island, The Firehouse, which specialises in bread making and was set up by Heir Island native, Patrick Ryan, co-author of the book Bread Revolution.

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