An Shigao
One of the earliest Chinese translators of meditation summaries was the Parthian meditation master An Shigao (安世高, 147-168 CE) who worked on various texts including the influential "Anban shouyi jing" (Sanskrit: Ānāpānasmṛti-sūtra), or the “Mindfulness of Breathing discourse”. During the Eastern Han period the foremost meditation technique taught by An Shigao and his school was a form of anapanasati (annabanna 安那般那) which remained influential for centuries afterwards. Most of these summaries only survive in Chinese translation and often they are not in their original form but also include later accretions such as commentary work by Chinese translators. The difficulty of working with the Chinese translations is shown by the corrupt nature of the Da Anban shouyi jing, which according to Florin Deleanu "gathers together An Shigao's original translation, almost impossible to reconstruct, fragments from An Shigao's own commentary as well as fragments