In the article, Hartsman discusses how he broke in to the industry -- his first industry job was with a text-based online RPG at the age of 15! -- his favorite games of the past and ones that influenced him, things that he does outside of work, and even some tips for anyone that would like to get involved in the gaming business. On this, he mentions that being competent with algebra comes in very handy, something that not everyone may realize.
Even if you've never heard of Scott Hartsman, its a worthwhile read to hear what things are like on the other side of your favorite pastime. The link below will take you through to TTH's full developer profile.