Trying to determine who is the greatest ever is as unscientific an exercise as there is in sports as comparing players of different eras is problematic. That is especially true in bowling, where technology has made the sport played by competitors decades ago almost a different sport than the one played by today’s competitors. So trying to determine whether Liz Johnson is better than Marion Ladewig is a fruitless endeavor to me. What can be said is that Ladewig was a dominating...