Kieserite is the magnesium sulfate mineral (MgSO4·H2O) and is named after Dietrich Georg von Kieser (Jena, Germany 1862). It has a vitreous luster and it is colorless, grayish-white or yellowish. Its hardness is 3.5 and crystallizes in the monoclinic crystal system. Gunningite is the zinc member of the kieserite group of minerals.
Lionel Adalbert Bagration Felix Kieseritzky (Russian: Лионель Адальберт Багратион Феликс Кизерицкий; 1 January 1806 O.S. 20 December 1805] – 18 May O.S. 6 May] 1853) was a Baltic German chess master, famous primarily for a game he lost against Adolf Anderssen, which because of its brilliance was named "The Immortal Game ".
Gustav Kieseritzky (22 September 1893 – 19 November 1943) was a German admiral during World War II. He was a recipient of the Knight's Cross of the Iron Cross of Nazi Germany. Kieseritzky was killed on 19 November 1943 during the Kerch–Eltigen Operation. He was posthumously awarded the Knight's Cross on 20 November 1943.
Roland Wieser (born 6 May 1956, in Zschopau) is an East German racewalker who won the bronze medal in the 20 kilometer walk during the 1980 Summer Olympics with a time of 1:25:59 hours. During his active career he measured 1.86 meters in height and 68 kg in weight.