 He often cites Eric Drexler as the inspiration for this interest.As early as 2003, Canadian science writer George Dvorsky, chairman of the board of the Institute for Ethics and Emerging Technologies, noted that "Lev Navrozov, the Russian weapons expert who believes that China will eventually try to take over the world using nanoweapons, is declaring K. Eric Drexler to be the Einstein of nanotechnology.Specifically, Navrozov is comparing Einstein's famous warning to President Roosevelt about the viability of atomic weapons to Drexler's 1986 book, Engines of Creation, where he warns about the possibility of the development of nanoweapons.