In this videoconference talk from 8 May 2020, Ajahn Anan discusses the Buddha's foremost attendant, Venerable Ananda Thera, who was also foremost in memory and known as the 'Guardian of the Dhamma."

Note: One can read such talks at the Wat Marp Jan 'Reflections' page, which also includes questions and answers with Ajahn Anan, which are not in the audio files. See: https://watmarpjan.org/en/dhamma-reflections/reflections-archive/