The Dirt on CleanBy: Katherine Ashenburg For the first century Roman, being clean meant a public two hour soak in baths of various temperatures, a scraping of the body with a miniature rake, and a final application of oil. For the seventeenth century aristocratic Frenchman, it meant changing his shirt once a day, using perfume to obliterate both his own aroma and everyone else s, but never immersing himself in horrors! water. By the early 1900s, an extraordinary idea