What? No Jan van Eyck here? Must put that right.
First, Adam and Eve, originally separated by the work, here together.
Such claustrophobic trompe l’oeil alcoves, and Eve lets her fig leaf hang down, as if it is no longer worth the effort. Her right hand holds a citrus fruit.
Next, the so-human angels from the side panels, with their human musical instruments.
John the Baptist and Mother Mary
And The Almighty: Not one person of the trinity, but the whole trinity.