The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Physics 2017 with one half to
Rainer Weiss
LIGO/VIRGO Collaboration
and the other half jointly to
Barry C. Barish
LIGO/VIRGO Collaboration
and
Kip S. Thorne
LIGO/VIRGO Collaboration
“for decisive contributions to the LIGO detector and the observation of gravitational waves”
https://www.nobelprize.org/nobel_prizes/physics/laureates/2017/press.html