Complex sentence: Carl Fremont Brand (October 8,1892--March 27,1981), a professor of history at Stanford University for thirty-four years, was one of the leading American authorities on the history of the British Labour Party.
Split into simpler sentences: Carl Fremont Brand (October 8,1892--March 27,1981) was an American historian. He was a professor of history at Stanford University for thirty-four years, and was one of the leading American authorities on the history of the British Labour Party.