btw I think 'end of an era' can be used in a personal way, we do it all the time in our family -e.g. moving house etc. Maybe it's a cultural thing. The title doesn't jar with me. I think it's an interesting question - and not just being picky over language - as some photographers choose the titles of their photos with care, and it can add a lot to the meaning. Obviously Lange felt it made sense on a personal level aswell.