What type of facility was Roger Batzel best known for as director?  
Roger Batzel: Roger Elwood Batzel (December 1, 1921 – July 29, 2000) was an American nuclear scientist, best known as the director of the Lawrence Livermore National Laboratory for over sixteen years, from 1971 to 1988. Lawrence Livermore National Laboratory: Lawrence Livermore National Laboratory (LLNL) is an American federal research facility in Livermore, California, United States, founded by the University of California in 1952.
federal research