Razor be used on both sides, with two open edges. The blade on the double-edged safety razor is slightly curved to allow for a smoother and cleaner shave. In 1901, the American inventor King Camp Gillette, with the assistance of William Nickerson, patented a new variation of safety razor with disposable blades. Gillette realized that a profit could be made by selling an inexpensive razor with disposable blades. This has been called the razor and blades business model, and has become a very common practice for a wide variety of products. Many other brands of safety razors have come and gone.
Death of a Salesman (1951 film) to lose his grip on reality and slips between the past and the present, frantically trying to find where he went wrong. The cast consisted mainly of the Broadway cast, with the addition of Kevin McCarthy from the original London Cast. However, Fredric March replaced Broadway actor Lee J. Cobb after concerns arose over Cobb's alleged past with leftist politics. Just before the film was about to come out, Arthur Miller threatened to sue Columbia Studios over the short which was to appear before "Death of a Salesman". This short film, "Career of a Salesman", showed what the producers believed