David L. Crawford, an astronomer and one of the pioneers of the modern dark-sky movement, died peacefully July 22 in Carlsbad, California. During a decadeslong tenure at Kitt Peak National Observatory (KPNO) in Tucson, Arizona, he was renowned for his work in stellar photometry and led the construction of two of the most productive 4-meterContinue reading “How legendary dark-sky advocate David Crawford sparked the fight against light pollution”
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