Conversation so far:
what kind of reputation did Augustus Pugin have?
Eastlake, writing in 1872, noted that the quality of construction in Pugin's buildings was often poor
what sort of buildings did Augustus Pugin build?
He is principally remembered for his pioneering role in the Gothic Revival style of architecture.
was there more to Augustus Pugin's reputation?
Pugin's legacy began to fade immediately after his death. Ruskin wrote of Pugin, he is not a great architect but one of the smallest possible or conceivable architects.

Question: when did he die?
Self-contained rewrite: when did Augustus Pugin die?