Albert Grünwedel was a German Indologist, Tibetologist, archaeologist, and explorer of Central Asia. He was one of the first scholars to study the Lepcha language.

Gaochang, also called Khocho, Karakhoja, Qara-hoja, Kara-Khoja or Karahoja, was a ruined ancient oasis city on the northern rim of the inhospitable Taklamakan Desert in present-day Xinjiang, China. The site is also known in published reports as Chotscho, Khocho, Qocho or Qočo. During the Yuan dynasty and Ming dynasty, Gaochang was referred to as "Halahezhuo" (Qara-khoja) and Huozhou.