Irwin I. Shapiro

Research.com Recognitions

• 2013 - Einstein Prize, American Physical Society For his contributions to experimental solar system tests of relativistic theories of gravity, and in particular for proposing and measuring the Shapiro time delay effect.
• 1983 - Dannie Heineman Prize for Astrophysics, American Astronomical Society
• 1982 - Fellow of John Simon Guggenheim Memorial Foundation
• 1980 - Fellow of the American Association for the Advancement of Science (AAAS)
• 1975 - Fellow of American Physical Society (APS)
• 1974 - Member of the National Academy of Sciences
• 1971 - Fellow of American Geophysical Union (AGU)
• 1969 - Fellow of the American Academy of Arts and Sciences

Overview

Best Publications

• Geodesy by radio interferometry: Effects of atmospheric modeling errors on estimates of baseline length

  J.L Davis;T.A. Herring;I.I. Shapiro;A.E.E. Rogers

  1801
  Citations

• Fourth Test of General Relativity

  Irwin I. Shapiro

  1386
  Citations

• Viking relativity experiment - Verification of signal retardation by solar gravity

  R. D. Reasenberg;I. I. Shapiro;P. E. Macneil;R. B. Goldstein

  561
  Citations

• On model-dependent bounds on H 0 from gravitational images : application to Q 0957+561 A, B.

  E. E. Falco;M. V. Gorenstein;I. I. Shapiro

  523
  Citations

• 2237 + 0305 - a new and unusual gravitational lens

  J. Huchra;M. Gorenstein;S. Kent;I. Shapiro

  411
  Citations

• Geodesy by radio interferometry - Water vapor radiometry for estimation of the wet delay

  Gunnar Elgered;J.L. Davis;T.A. Herring;I.I. Shapiro

  399
  Citations

• Geodesy by radio interferometry: Studies of the forced nutations of the Earth: 2. Interpretation

  Carl R. Gwinn;Thomas A. Herring;Irwin I. Shapiro

  314
  Citations

• Forced nutations of the Earth: Influence of inner core dynamics: 1. Theory

  P. M. Mathews;Bruce A. Buffett;Thomas A. Herring;Irwin I. Shapiro

  309
  Citations

• Verification of the Principle of Equivalence for Massive Bodies

  I. I. Shapiro;C. C. Counselman;R. W. King

  296
  Citations

• Geodesy by radio interferometry: studies of the forced nutations of the earth 1. Data analysis

  T. A. Herring;C. R. Gwinn;I. I. Shapiro

  292
  Citations

• Quasars revisited: rapid time variations observed via very-long-baseline interferometry.

  Alan R. Whitney;Irwin I. Shapiro;Alan E. E. Rogers;Douglas S. Robertson

  290
  Citations

• Geodesy using the Global Positioning System: The effects of signal scattering on estimates of site position

  P. Elósegui;J. L. Davis;R. T. K. Jaldehag;J. M. Johansson

  275
  Citations

• Fourth Test of General Relativity: New Radar Result

  Irwin I. Shapiro;Michael E. Ash;Richard P. Ingalls;William B. Smith

  270
  Citations

• Very-Long-Baseline Radio Interferometry: The Mark III System for Geodesy, Astrometry, and Aperture Synthesis.

  Alan E. E. Rogers;Roger J. Cappallo;Hans F. Hinteregger;James I. Levine

  258
  Citations

• Degeneracies in parameter estimates for models of gravitational lens systems

  M. V. Gorenstein;E. E. Falco;I. I. Shapiro

  238
  Citations

• Forced nutations of the Earth: Influence of inner core dynamics: 2. Numerical results and comparisons

  P. M. Mathews;B. A. Buffett;T. A. Herring;I. I. Shapiro

  229
  Citations

• FOURTH TEST OF GENERAL RELATIVITY: PRELIMINARY RESULTS.

  Irwin I. Shapiro;Gordon H. Pettengill;Michael E. Ash;Melvin L. Stone

  206
  Citations

• Post-post-Newtonian deflection of light by the Sun

  Reuben Epstein;Irwin I. Shapiro

  193
  Citations

• Forced nutations of the Earth: Influence of inner core dynamics: 3. Very long interferometry data analysis

  Thomas A. Herring;Bruce A. Buffett;P. M. Mathews;Irwin I. Shapiro

  172
  Citations

• Astronomical constants and planetary ephemerides deduced from radar and optical observations

  Michael E. Ash;Irwin I. Shapiro;William B. Smith

  171
  Citations