Thornhill, Sir James. Paul Preaching in the Areopagus. 1729-31. 

Apologetics In Everyday Life


Dr. Douglas Groothuis
Author, Professor of Philosophy at Denver University

Further Resources:
Christian Apologetics by Dr. Douglas Groothuis
Walking Through Twilight by Dr. Douglas Groothuis 

Is Apologetics Optional?


Brian Auten 
Founder of The Apologetics 315 Podcast

Chad Gross 
Founder of Truthbomb Apologetics
Further Resource:
A New Kind of Apologist edited by Sean McDowell