Complex sentence: Charles Albert Watts (27 May 1858-15 May 1946) was an English secularist editor and publisher, who founded the journal "Watts's Literary Guide", which later became the "New Humanist" magazine, and the Rationalist Press Association.
Split into simpler sentences: Charles Albert Watts (27 May 1858-15 May 1946) was an English secularist editor and publisher. He founded the journal "Watts's Literary Guide", which later became the "New Humanist" magazine, and the Rationalist Press Association.