Regarding the grammatical aspects of the text, mark the fol...
Gombrich, E. H. The Story of Art. Phaidon, 16th.
Ed. 1995. pp.65-6, with adaptations.
The two instances of “whom” in “whom he worshipped and whom he had represented” (lines 31 and 32) can, in an informal context, be replaced with who, but “whom” and “who” play very distinct grammar roles in a sentence.