classic papers of the week -- 159

Resonance Absorption by Nuclear Magnetic Moments in a Solid

• Purcell, E. M.; Torrey, H. C.; Pound, R. V. (Radiation Laboratory, Massachusetts Institute of Technology, Cambridge, MA)

A Search for Faint Blue Stars

• Humason, M. L.; Zwicky, F. (Mount Wilson Observatory and California Institute of Technology)

Unrealistic optimism about future life events

• Neil D. Weinstein (Department of Human Ecology and Social Sciences, Cook College, Rutgers—The State University)