William John Pronzini was born in Petaluma, California. He has been married three times. The first marriage was with Laura Patricia Adolphson, (1965 to 1967; divorce); the second was with Brunhilde Schier, July 28, 1972 (separated December 1985; divorce a couple years later). He married Marcia Muller (also a mystery writer) in 1992. They have collaborated on three novels: Beyond the Grave (1986), The Lighthouse, (1987); and Double (1984), a Nameless Detective novel, as well as on numerous anthologies. In 1987 he won The Eye, which is the Lifetime Achievement Award presented by The Private Eye Writers of America. It is a more exclusive version of their Shamus Award. He has been nominated three times by the Mystery Writers of America for an Edgar Award, and received their Grand Master designation in May of 2008.