Bryn Mawr\u2019s Departments of Computer Science and History , along with the Program in Gender & Sexuality and the Center for Science of Information , present a special free screening of the film Codebreaker at 7 p.m. on Wednesday, Oct. 10, at the Bryn Mawr Film Institute. The screening with be followed by a Q&A with the film\u2019s executive producer Patrick Sammon.