Market: Researchers and technicians in vacuum science, and those interested in the field. This comprehensive overview of the groundbreaking work in vacuum science from 1910 to 1960 presents original biographies of the scientists and engineers at the vanguard of vacuum technology. It also features papers now regarded as milestones. Among these are Saul Dushman's "Theory and Use of the Molecular Gauge" (1915), Pieter Clausing's "The Flow of Highly Rarefied Gases through Tubes of Arbitrary Length" (1932), and L.D. Hall's "Electronic Ultra-High Vacuum Pump" (1932).