Birgit Petersen retires after 36 years at Aarhus University Wednesday November 25, we had to sadly say farewell to Birgit, who after 36 years at AU chose to retire. Birgit has always been an invaluable help in the library, whom we will miss deeply. 16. december 2015 af Marianne Dammand Iversen We wish her every success in her new life as an active retiree.