Professor Geraint Lewis, Professor of Astrophysics at the Sydney Institute for Astronomy, makes a welcome return to Arts Wednesday at 10:40 am in Part 1 of a 6-part series entitled Colour and Geraint starts the discussion by asking what is light?

My guest at 11:00 am is garden historian and author, Richard Aitken, who has curated the new exhibition at the State Library of NSW, entitled Planting Dreams. Our conversation explores some of those dreams.

Music is about plants, flowers and gardens.

Do keep me company!