Jack Patterson was a prominent member of the Theosophical Society in New Zealand having joined from a young age he was involved in the Young Theosophists of the day. During his life, he became the General Secretary of both the Australian and the New Zealand Section. Jack was a deep explorer of Theosophy and shared his understanding through many presentations.
Below is an early audio recording of a presentation from Jack.
Click on the link to listen to the talk: Vitality from the Superphysical - Study of the Energies of the Etheric Field