American physicists Charles Hard Townes and Arthur Leonard Schawlow were granted a patent for the first laser in 1958.

Two U.S. physicists, Arthur L. Schawlow and Charles H. Townes, first propounded the theory of the laser

It is said that Charles Hard Townes and Arthur Leonard Schawlow, who worked at Bell Laboratories in 1957, were the first to invent the laser.

I believe dr. Harold edgerton invented the strobe light.

Arthur Leonard Schawlow was born on May 5, 1921.