Dr. Friedrich Ernst "Fred" Hahn, 72, a molecular biologist with the Walter Reed Army Institute of Research for 37 years before retiring in 1986, died June 29 at Georgetown University after surgery for a heart ailment. He lived in Bethesda. Dr. Hahn was an authority in chemotherapy and the mechanisms of infectious disease at the molecular level. He helped found the institute's molecular biology department in 1959 and later was special assistant for chemical defense research to the institute director. In addition to his work with the institute, he had taught programs in molecular pharmacology at George Washington University medical school and medicinal chemistry and molecular biology at the University of Tennessee medical school. He received the Army's Meritorious Civilian Service, Superior Service and Sustained Superior Service Awards. Dr. Hahn was the author of 188 scientific papers and had served on the editorial boards of both Antimicrobial Agents and Chemotherapy and Drugs Under Research. He had edited more than 25 books dealing with such topics as subcellular biology, chemotherapeutic drugs and antibiotics. He had served on delegations to international scientific conferences. He had served as the Army Department's liaison officer to the National Institutes of Health's molecular biology section and had chaired the U.S. exchange delegations on antibiotics to the Soviet Union. Dr. Hahn was a native of East Prussia and was a weather analyst with the German air force on the Russian front during World War II. He was a graduate of the University of Kiel, where he received a doctorate in chemistry in 1948. From 1946 to 1949, he was a research professor at the University of Heidelberg's virus research institute. He came to this country and joined the Walter Reed research institute in 1949. He was a member of the American Society for Microbiology, the American Society of Biological Chemists and the American Society of Pharmacology and Experimental Therapeutics. He also was a member of Kenwood Golf and Country Club. Survivors include his wife of 44 years, the former Rosemarie E. Weyland, of Bethesda; a son, Gregory, of Sacramento, Calif.; and two daughters, Patricia Hahn of Washington and Christina Hahn of San Diego. PAULINE CHRISTIAN Smithsonian Assistant Curator Pauline Christian, 74, who retired in 1980 as an assistant stamps and coins curator at the Smithsonian Institution's National Museum of American History, died of cancer June 28 at a hospital in Oakland, Calif. She lived in Berkeley, Calif. Mrs. Christian, a native of Pennsylvania, came to the Washington area as a child, about 1919. She lived in Washington and Hyattsville before moving to California in 1980. She was a 1934 graduate of St. Patrick's Academy in Washington and attended Catholic University. She began her government career with the Navy Department, where she was a secretary from 1937 to 1940. She was a secretary with the Agriculture Department from 1948 to 1954, then spent five years with the old Department of Health, Education and Welfare before transferring to the Smithsonian in 1959. She was a secretary there before becoming an assistant curator. Her first marriage, to Victor Kley, ended in divorce. Her marriage to Christopher Christian also ended in divorce. Survivors include a son by her first marriage, Victor Kley of Berkeley; three daughters by her second marriage, Deborah M. Smith of Brentwood, Michelle Christian of Alameda, Calif., and Denise Lingenfelter of Tampa; a sister, Alice Berdaus of Washington; two brothers, Richard Berdaus of Woodbridge and Rudolph Berdaus of Colorado Springs; and 11 grandchildren. CHARLES J. MATTINGLY SR. Liquor Salesman Charles J. Mattingly Sr., 88, a retired wholesale liquor salesman and former treasurer of St. Mary's County, died June 30 at St. Mary's nursing home in Leonardtown, Md. He had Alzheimer's disease. Mr. Mattingly, who was a native and resident of Leonardtown, served as treasurer of St. Mary's County in the late 1930s. He was salesman with the McCarthy-Hicks company, a Baltimore area wholesale liquor distribution concern, for 30 years before retiring in the late 1960s. His wife, the former Agnes G. Miles, died in 1977. Survivors include three sons, Charles J., of Chaptico, Md., Miles, of Clements, Md., and Joseph, of Abell, Md.; seven daughters, Ann Mattingly of Arlington, Betty Potts of Maddox, Md., Margaret Yowaiski of Chaptico, Ruth Brown of La Luz, N.M., Mary Jane Mattingly of Port Deposit, Md., Mary Agnes Farrell of Compton, Md., and Joan Frances Raley of Avenue, Md.; two sisters, Leila M. Hodges and Katherine L. Mattingly, both of Leonardtown; 38 grandchildren; 50 great-grandchildren; and a great-great-grandchild. EDWARD CIULIS Navy Pilot, Aeronautical Engineer Edward Ciulis, 67, a retired Navy pilot and Department of the Navy aeronautical engineer, died of cancer July 1 at his home in Vienna. Mr. Ciulis was a native of Lackawanna, N.Y. He was a graduate of the University of Colorado and received a master's degree in aeronautical engineering from Columbia University. He joined the Navy during World War II, serving in Europe, the Far East and the Mediterranean. He also served in Korea during the war there. He then returned to this area. He retired from active duty with the Navy as a lieutenant commander in 1964, and transferred to the Navy Department as a civilian employee. He worked with the Naval Air Systems Command's F-14 fighter program before retiring a second time in 1983. His marriage to Ruth Ciulis ended in divorce. Survivors include his wife of 25 years, Ethel Ciulis, of Vienna; two sons from his first marriage, Paul, of Glendale, Calif., and Michael, of Lorton; and a sister, Florence Wzientek of Lackawanna.