Each Photographer sees the world in their own eye or their mind. I have learned in the past few months, from pros and other hobbyists, and their knowledge has been valuable. Using models is a great way to exercise not just your camera, but art as you see it. Human art has been around since the beginning of time, and has always been expressed. As for photogs have have influenced me, I don't know of many styles currently, but am starting to study the works of Barry Robinowitz. He has a mix of styles from the random shoot to the posed world leader, to the buildings.