Benjamin Johnson is an experienced Python programmer with a passion for game programming, software development, and web design. He is currently studying computer science at The University of Texas at Austin and plans to specialize in software engineering. His most popular Python projects include an adventure game engine and a particle simulator, both developed using Pygame. You can check out Benjamin's latest Pygame projects and articles on his website at www.learnpygame.com.

Dennis O'Brien is the director of data science at Game Show Network Games. He studied physics at the University of Chicago as an undergraduate and completed his graduate studies in computer science from the University of Illinois, Chicago. He was the principal software engineer at Electronic Arts, a senior software engineer at Leapfrog Enterprises, and a lead game developer at Jellyvision Games.