Complex sentence: The firm's chief designer was Henry Charles Trost, who was born in Toledo, Ohio in 1860 Henry moved from Chicago to Tucson, Arizona in 1899 and then on to El Paso in 1903.
Split into simpler sentences: The firm's chief designer was Henry Charles Trost, who was born in Toledo, Ohio in 1860. Trost moved from Chicago to Tucson, Arizona in 1899 and then on to El Paso in 1903.