Question: who tells harry about the chamber of secrets
Answer: Rumours fly around the school regarding the history of the Chamber of Secrets , and for Harry and his friends , the answer comes by way of Cuthbert Binns , the ghostly professor of History of Magic : The Chamber of Secrets , which houses a terrible monster , was created by one of the school 's founders , Salazar Slytherin , after a fundamental disagreement with the others ( Godric Gryffindor , Helga Hufflepuff , and Rowena Ravenclaw ) , believing that students of non-magical parentage should be refused entry to the school .