These were the American sailor Nathaniel Palmer, the Russian Captain Fabian Bellingshausen and the British Captain Edward Bransfield.
VOA: special.2009.06.03
The Siple Dome, an ice dome roughly 100 km long and 100 km wide, about 100 km east of the Siple Coast of Antartica, also reflects effects of the Little Ice Age synchronously with the GISP2 record, as do sediment cores from the Bransfield Basin of the Antarctic Peninsula.