During a visit to a club in 1775, Samuel Johnson was observed to put several Seville oranges into his pocket after squeezing their juice into a drink he’d made for himself. The friends who saw this “seemed to think that he had a strange unwillingness to be discovered.” Visiting Johnson the next morning and seeing the orange peels scraped and cut into pieces on a table, James Boswell asked about them: JOHNSON. ‘I have a great love for them.’ BOSWELL. ‘And pray, Sir, what do you do with them? You scrape them it seems, very neatly, and what next?’ JOHNSON....