In Memoriam: Peter G. Neumann (1932-2026) (opens in new tab)

In Memoriam: Peter G. Neumann (1932-2026) For seven decades, Neumann chronicled how computer systems fail and patiently advocated for the principles that make them fail less often. By Eugene H. Spafford and Simson L. Garfinkel Posted May 18 2026 Peter Neumann Share Print Join the Discussion Peter Gabriel Neumann—known throughout the field as PGN—died on May 17, 2026, aged 93, from complications of a traumatic fall. For seven decades, he chronicled how computer systems fail and patiently advoc...