Sentence 1: The first laser in the world was developed in 1960 by American scientists Nikolay Basov and Alexander Prokhorov and the Russian scientist Charles H. Townes .
Sentence 2: 1960-The world 's first laser was developed by Russian scientists Nikolay Basov and Alexander Prokhorov , and American scientist Charles H. Townes .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?