I have published a piece on the Salvator Mundi by Leonardo in the Times Literary Supplement, 19/08/2019. You can find it here.
My piece is based on lots of research, which unfortunately could not be referenced in detail in the TLS. It is also longer than the published version. For the full text, including the References, please see this file below:
My piece generated quite a lot of Letters in the pages of the TLS. Here you can read my reply here: