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 his standards. The models of business success provided in the play all argue against Willy's "personality theory." One is Charley, Willy's neighbor and apparently only friend. Charley has no time for Willy's theories of business, but he provides for his family and is in a position to offer Willy a do-nothing job to keep him bringing home a salary. (Bloom 51) "Death of a Salesman" first opened on February 10, 1949, to great success. Drama critic John Gassner wrote that “the ecstatic reception accorded "Death of Salesman" has been reverberating for some time wherever there is an ear for theatre,