Who wrote Linux?

Ken Brown, President of the Alexis de Tocqueville Institution has authored an as yet unpublished book about the history of UNIX. In that he has made a lot of claims one of which is that Linus did not write Linux. Andrew S. Tanenbaum who was one of the people Ken Brown interviewed for his book, refutes the claims made in the book and has posted detailed information about the same on his site. The article gives a nice in-sight into the development of UNIX and its clones. In addition, Tanenbaum has posted a followup to the same. If Operating Systems interest you, go give both the articles a read.