Many well-known scientists and engineers have expressed reservations about nuclear power . These people include : Barry Commoner , S. David Freeman , John Gofman , Amory Lovins , Arjun Makhijani , Gregory Minor and Joseph Romm . Some scientists and engineers have expressed reservations about nuclear power , including : Barry Commoner , S. David Freeman , John Gofman , Arnold Gundersen , Mark Z. Jacobson , Amory Lovins , Arjun Makhijani , Gregory Minor , and Joseph Romm .