Dr. Crawford, a native of Pennsylvania, is Emeritus Astronomer at Kitt Peak National Observatory and National Optical Astronomy Observatory in Arizona. From 1963 to 1973, he was Project Manager of the 4-metre Mayall Telescope at Kitt Peak, and of its twin, the Blanco Telescope at Cerro Tololo Inter-American Observatory in Chile. His research involves galactic structure, stellar photometry, observational instruments and techniques, and light-pollution abatement. Dr. Crawford is widely-known as the co-founder and Executive-Director of the International Dark-Sky Association. He has worked tirelessly to promote energy-efficient, glare-free lighting, to the benefit of the public, the environment, and astronomy. Dr. Crawford has presented the IDA's message of responsible lighting to meetings of the RASC.

Surname: 
Crawford
Title/Given Name: 
Dr. David L.
Nation(s): 
USA
Start: 
1997