[Dan Daniel]

Rather devoid of any significant content, too. Cohabitation with a notorious semi-papparazi does not make one an authority on photographty

According to Wikipedia, "...After Sontag's death, Newsweek published an article about Leibovitz that made clear reference to her decade-plus relationship with Sontag, stating: "The two first met in the late '80s, when Leibovitz photographed her for a book jacket...."

'On Photogrpahy' was published in 1977.

Not that I would disagree with either one of your sentences (although the first one could use more context), but I do think you intended to make a connection, and history throws a wrench in this attempted connection.