Complex sentence: The first people to die in the San Quentin gas chamber (the only one in the state) were Albert Kessell and Robert Cannon on December2 1938hree more people had their death sentences carried out within two weeks.
Split into simpler sentences: The first people to die in the San Quentin gas chamber (the only one in the state) were Albert Kessell and Robert Cannon on 2 December 1938. Three more people had their death sentences carried out within two weeks.