Women’s history snapshot: Lucile Berkeley Buchanan graduated in 1918 but wasn’t allowed to walk across the stage with other graduates because she was Black. History overlooked Lucile Berkeley Buchanan, the first African American woman to graduate from the University of Colorado. A dogged CU journalist brought her back to the fore. Tipped off by a newspaper story, Polly McLean, a CU Boulder associate professor of media studies, spent years exhuming Buchanan’s story and, finally, correcting history.