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  • Chemistry
  • 2014

Key contributions: Nanocrystals

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  • Mathematical, Statistical, and Computer Sciences
  • 2012

Key contributions: Research integral to modern engine design; research integral to understanding blood flow

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  • Engineering Sciences
  • 2003

Key contributions: Development of molecular thermodynamic models

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  • Chemistry
  • 2001

Key contributions: Sum frequency generation spectroscopy

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  • Physical Sciences
  • 2001

Key contributions: Research on pseudopotentials

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  • Biological Sciences
  • 1998

Key contributions: The Ames test

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  • Chemistry
  • 1997

Key contributions: Research on causes of smog; proposed that aircraft exhaust was responsible for ozone deterioration

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  • Chemistry
  • 1997

Key contributions: Discovered the element Seaborgium

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  • Chemistry
  • 1991

Key contributions: Worked on the Manhattan Project; discovered 10 elements

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  • Physical Sciences
  • 1990

Key contributions: Scientific achievements including the identification of the first transuranic element (neptunium) and the invention of the phase stability principle incorporated in the synchrotron

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  • Chemistry
  • 1989

Key contributions: light-independent reactions in plants; discovered the Calvin cycle

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  • Chemistry
  • 1986

Key contributions: quantitative bridge between the laws of mechanics and complex macroscopic phenomena

 President Ronald Reagan (right) presents the National Medal of Science to George Pimentel (left) at the White House.
  • Chemistry
  • 1983

Key contributions: inventor of the chemical laser

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  • Physical Sciences
  • 1974

Key contributions: thermodynamic properties of molecules

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  • Physical Sciences
  • 1963

Key contributions: theoretical physics; the bubble chamber; revolutionized the study of charged particles; the Manhattan Project

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  • Engineering Sciences
  • 2023

Key contributions: providing life-sustaining resources to communities around the world, including innovative and inexpensive technologies that help meet profound needs such as drinking water and fuel efficient cookstoves.

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  • Environment
  • 2011

Key contributions: energy-efficient building technologies and policies; the Rosenfeld Effect, in which total per capita electricity use has stayed relatively flat in California since the 1970s due to energy efficiency measures while it has risen sharply in the United States.