Background
Crawford, David L. was born on March 2, 1931 in Tarentom, Pennsylvania, United States. Son of William Letham and A. Blanche (Livingstone) Crawford.
Crawford, David L. was born on March 2, 1931 in Tarentom, Pennsylvania, United States. Son of William Letham and A. Blanche (Livingstone) Crawford.
Doctor of Philosophy, University of Chicago, 1958.
Research assistant, Yerkes Observatory, Chicago, 1953-1957;
assistant professor, Vanderbilt University, Nashville, 1957-1959;
staff astronomer, Kitt Peak National Observatory, Tucson, 1960-1996;
emeritus astronomer, Kitt Peak National Observatory, Tucson, since 1997. Research assistant McDonald Observatory, 1955-1957. Project manager Kitt Peak National Observatory,1963-1973, associate director research, 1970-1973, head office university relations, 1984-1985, head office of technical transfer, 1993-1995.
Executive director International Dark-Sky Association, since 1987, president of the board directors GNAT, Inc., since 1993.
Fellow American Association for the Advancement of Science (council 1986-1989, committee on council affairs 1986-1988), Illuminating Engineering Society North America (roadway lighting committee, outdoor environmental lighting impact committee, sports lighting committee). Member American Astronomical Society (council 1972-1975, Van Briesbrock award 1997), Astronomical Society Pacific (board directors 1970-1976, nominating committee, publications committee), International Astronomical Union (active numerous commissions, executive committees, past chairman working group on amateur/professional relations).
Married Mary Louise Mueller, August 16, 1940. Children: Christine, Deborah, Lisa.