... dooraquot; instead of aquot;the sweeper of the flooraquot; and later became known as proctor. I believe ... The ladies from the town were the nurses. ... During the twenties, a colored crew was instructed to give the cemetery a good cleaning, and they did. ... The rat Suggested by Helen Bradford, librarian, University of Wisconsin Medical School Library, Madi- ESSAYS IN SCIENCE by Albert Einstein Abridged edition.