How man came to be considers our spiritual evolution; how we and the Earth have evolved from energetic vibration into form and physicality.
Humanity and the Earth are only part way through an evolutionary cycle comprising of seven stages. From physicality we must also evolve our etheric and astral bodies and fully understand the role of the ego and self consciousness.
The Wessex Research Group archive contains those lectures that have been digitised and are freely downloadable as a personal educational resource.
https://www.wessexresearchgroup.org