Original: In May 2004, Kenneth Brown of the Alexis de Tocqueville Institution made the accusation that major parts of the Linux kernel had been copied from the MINIX codebase, in a book called Samizdat.
Simplified: In May 2004 Kenneth Brown of the Alexis de Tocqueville Institution raised the accusation that major parts of the Linux kernel had been copied from MINIX, in a book called Samizdat.