The first working laser was made by PERSON@1 in NUMBER@1 at ORGANIZATION@1 in LOCATION@1 , LOCATION@2 , beating several research teams including those of ORGANIZATION@2 at ORGANIZATION@3 , PERSON@2 at ORGANIZATION@4 , and PERSON@3 at a company called TRG -LRB- ORGANIZATION@5 -RRB- .

The first working laser was shown on May NUMBER@2 , NUMBER@1 by PERSON@4 at ORGANIZATION@1 .
