Edited sentence: In February 2007, as Rector of the Uppsala University, Anders Hallberg was involved in a forced resignations of two tenured math professors, Oleg Viro and Burglind Juhl-Jöricke, that resulted in a controversy.In his response to public criticism, Anders Hallberg maintains that the university's administration acted properly in maintaining a positive work environment in the Mathematics Department and that the administration's actions in the case did not violate the two professors' academic freedom