Gunda Niemann-Stirnemann is a German former speed skater. She is a three-time Olympic gold medallist, winning the 3000 metres in 1992 and 1998 and the 5000 metres in 1992. She won a total of eight Olympic medals.

Sondershausen is a town in Thuringia, central Germany, capital of the Kyffhäuserkreis district, situated about 50 km north of Erfurt. On 1 December 2007, the former municipality Schernberg was incorporated by Sondershausen.