Siemiatkowski Glacier
The Siemiatkowski Glacier (75°54′S 144°12′W) is a glacier about 25 miles (40 km) long, flowing northwest to Nickerson Ice Shelf on the coast of Westarctica.
Discovery and name
The glacier was mapped from surveys by the United States Geological Survey (USGS) and U.S. Navy air photos (1959-65). It was named by Advisory Committee on Antarctic Names for Edmond R. Siemiatkowski, an auroral physicist working at Byrd Station in 1964.
Peerage title
On 6 July 2025, Prince Owen, Duke of MacAyeal was granted the peerage title Duke of Siemiatkowski as a subordinate title.