Complex sentence: Henderson assumed a position at Marshall College, now Marshall University, in 1935, after Marshall had hired Dr. John Allen from D&E to be President of Marshall (from 1935-42), as athletic director and head coach for basketball and football.
Split into simpler sentences: Henderson assumed a position at Marshall College, now Marshall University, in 1935, after Marshall had hired Dr. John Allen from D&E to be President of Marshall (from 1935-42). Henderson was hired as athletic director and head coach for basketball and football.