Artist Mark Nelson specialises in designs for role-playing games and comic books. Since 1985, his work has appeared in many Dungeons & Dragons books and Dragon magazine.

He has also produced artwork for the games Villains and Vigilantes, Earthdawn and Shadowrun, and Orpheus, and he has illustrated cards for the collectible game Magic: The Gathering.

Wayne Thomas is the John T. Steed Chair in Accounting at the University of Oklahoma, where he teaches Introductory Financial Accounting to nearly 600 students per year.

He received his bachelor's degree in accounting from Southwestern Oklahoma State University, and his master's and PhD in accounting from Oklahoma State University.