Widely called “the Pope of Plasma Physics,” Rosenbluth co-invented the Metropolis algorithm, developed foundational plasma stability theory, and shaped magnetic fusion for half a century.
Marshall Nicholas Rosenbluth (5 February 1927 – 28 September 2003) was born in Albany, New York. He graduated Phi Beta Kappa from Harvard at age 19 (B.A. 1946) and earned his Ph.D. from the University of Chicago in 1949 under Edward Teller.[1]
In 1953, Rosenbluth co-authored one of the most cited papers in computational science: “Equation of State Calculations by Fast Computing Machines” (J. Chem. Phys. 21, 1087). Marshall and his wife Arianna did the core computational work. The Metropolis–Hastings Monte Carlo method it introduced is now fundamental across science and engineering.[2]
After Los Alamos (1950–56), Rosenbluth moved to General Atomics in La Jolla, shifting his focus to controlled fusion and plasma confinement. He later founded the Institute for Fusion Studies at the University of Texas at Austin and held a professorship at UCSD.[3]
Rosenbluth received the 1997 National Medal of Science and the James Clerk Maxwell Prize for Plasma Physics. His stability criteria remain central to tokamak design optimization. He died of pancreatic cancer on 28 September 2003.[4]