Miyamoto. Molyneux. Kojima. Carmack. Gaming history is stuffed to the gills with venerated pioneers. And it's right that we celebrate them. What isn't right is the number of equally important figures consigned to obscurity and niche fandom.
Many, many more people have shaped what video games are over the last 30 years, but far too many current generation gamers greet their names with vague recollection at best and more often a total sense of bamboozlement. Time to put that right. This is in no way an exhaustive list, but every person on it has had a major impact on the way you play games today.