Complex sentence: From 1933 to 1935, Howard, then a medical student at Loma Linda University, was the circulation mananger and wrote a regular column entitled, "The Negro in the Light of History" (later changed to "Our Fight").
Split into simpler sentences: From 1933 to 1935, Howard, then a medical student at Loma Linda University, was the circulation manager. He also wrote a regular column entitled, "The Negro in the Light of History" (later changed to "Our Fight").