I'm sorry, he's atenolol (tenormin) 75 mg quizlet â?Itâ?s a really extraordinary find,â? said paleoanthropologist Marcia S. Ponce de Leon in a press conference Wednesday announcing the findings. â?For the first time, we can see a population from the early Pleistocene. We only had individuals before. Now we can make comparisons and see the range of variation.â?