LIGO Construction Begins
Under Barish's project leadership, construction begins on the first LIGO observatory, turning the long-planned gravitational-wave experiment into a pair of full-scale facilities.
Historical biography archive · Updated 2026-11-03
Barry Clark Barish Biography and Timeline
Follow Barry Clark Barish through 9 dated historical records for United States of America.
Barry Clark Barish, historical timeline
A chronological timeline drawn from matching World History Database records.
9Distinct records
1 of 1Page
1994–2017Years on this page
1994
LIGO Principal Investigator
Barish becomes LIGO principal investigator and reorganises the growing project so that large-scale construction, detector development and scientific collaboration can advance together.
1997
LIGO Scientific Collaboration
Barish establishes the LIGO Scientific Collaboration, expanding participation beyond Caltech and MIT and creating an international framework for detector research and gravitational-wave data analysis.
1998
LIGO
Barish directs LIGO construction and organisation during its transformation into a major observatory
1999
LIGO Inauguration
LIGO is formally inaugurated after completion of its major facilities, providing two widely separated observatories designed to identify genuine gravitational-wave signals by coincidence.
2002
LIGO S1 Science Run
Initial LIGO begins its first scientific observing run, operating multiple interferometers together and establishing procedures for coordinated gravitational-wave searches and data analysis.
2004
Advanced LIGO Approval
The National Science Board approves Advanced LIGO, endorsing the major detector redesign intended to provide the sensitivity required for routine astrophysical gravitational-wave observations.
2005
LIGO Design Sensitivity
Initial LIGO reaches its planned design sensitivity and begins the long S5 science run, producing the observatory's most sensitive pre-Advanced-LIGO gravitational-wave data set.
2017
Nobel Prize
Barish receives the Nobel Prize for leadership and decisive contributions to LIGO
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.