Rainer Weiss - Achievements

Achievements

Weiss has brought two fields of fundamental physics research from birth to maturity: characterization of the cosmic background radiation, and interferometric gravitational wave observation.

He made pioneering measurements of the spectrum of the cosmic microwave background radiation, and then was co-founder and an intellectual leader of the NASA COBE (microwave background) satellite.

Weiss also invented the interferometric gravitational wave detector, and co-founded the NSF LIGO (gravitational-wave detection) Project. Both of these efforts couple remarkable challenges in instrument science with physics of the deepest importance for our understanding of the Universe.

Weiss contributed to LIGO through:

  • his inception of the measurement technique
  • recognition and delineation of the experimental challenges
  • building of early prototype instruments
  • leadership of the effort to propose full-scale observatories
  • engineering of the world's largest ultra-high vacuum system to house the instruments
  • commissioning of the initial detectors
  • forming and first leadership of the LIGO Scientific Collaboration
  • mentorship of many of the physicists leading the field.

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