Which person is credited with the creation of the first commercial solar panel?

In the '70's when we lived in Orlando, Fl. our house had those contraptions on the roof. It worked! We mostly had to run the A.C. constantly.

Player #54621155, Is it Fitts or Fritts? The choices say Charles Fitts but the explanation spell the last name Fritts.

Satellites use Gallium Arsenide cell with an efficiency of about 35% to generate electricity. They are very expensive!