He was an attorney and businessman, working as a manager for the International-Great Northern Railroad before entering politics from Palestine, Texas.

Her father, William Bruner, had served as a captain from Mississippi in the Confederate States Army.

In his two terms in office, 1907–1911, Campbell initiated a number of reforms[1] including railroad regulation, equitable taxation, and lobbying restrictions.

Twenty-two unarmed blacks were documented as killed in the white riot, but the death toll was said to be much higher.

Campbell returned to private law practice in Palestine, but remained active in Democratic politics.

Well into the 1960s, Texas was essentially a one-party state, with the only competitive contests taking place in the Democratic primaries.