GAMBIER — Four Kenyon students have received the Austin E. Knowlton Memorial Scholarship that supports Ohioans who are interested in mathematics and related fields.This year’s winners include a member of each class. They are Yasha Cohen, a first-year student from Beachwood; Noah Bartlett, a sophomore from Hudson; Sarah Keller, a junior from Brunswick; and Cynthia Stevens, a senior from Columbus.Established in 2014 by the Austin E. Knowlton Found…