Complex sentence: Rod Serling was a fan of anthology pulp fiction stories as a little boy and as an adult, he wished to write on social commentary themes such as racism, government, war, society and human nature in general.
Split into simpler sentences: Rod Serling was a fan of anthology pulp fiction stories as a little boy. As an adult, he wished to write on social commentary themes such as racism, government, war, society and human nature in general.