Scroll through photographs from the 1800s and almost nobody is smiling.
The faces are solemn, stiff and a little severe, as if the whole century was in a bad mood. It is tempting to explain this with technology, and technology is part of it, but it is not the real answer.
The popular excuse is long exposure times, and it is only half true.
Early cameras did need the sitter to hold still, but by the time commercial portraits were common, exposures often ran only a handful of seconds, short enough to hold a smile. And crucially, even as exposures got faster, the serious face stayed. Something other than the machine was keeping people from grinning.
The deeper reason was cultural, inherited from painting.
Photography borrowed its manners from portrait painting, where a wide smile was considered undignified. A broad grin was associated with drunkenness, foolishness or a lack of self-control, not with the composed, respectable self a portrait was meant to preserve. To smile was to look unserious, and a portrait was a serious thing.
A photograph was also a rare and expensive event.
For most people, sitting for a picture was a once in a lifetime occasion, closer to commissioning a monument than snapping a selfie. You dressed carefully and arranged your face into something dignified, meant to represent you for generations. A fleeting grin was not the expression you wanted carved into memory.
There is a quiet dental subplot here too.
Uneven or missing teeth were common, and showing them was not a source of pride. A closed, neutral mouth was simply the safer, more flattering choice in an age before modern dentistry and orthodontics made the open smile something to display rather than hide.
The smile arrived with the snapshot.
When George Eastman put cheap, hand-held Kodak cameras into ordinary hands around 1888, photography became casual. Pictures were now taken at picnics and parties instead of studios, and the candid, grinning face slowly became the norm we take for granted. The smile we expect in every photo is barely a century old.
The lesson is that a face is always speaking its own era.
What counts as the right expression is not fixed by nature, it is set by culture, technology and even the state of our teeth. LOOKS treats appearance as a language that changes with time, and the unsmiling Victorian is a reminder that rules we assume are universal were written surprisingly recently.
Sources: Time, “Why Didn’t People Smile in Old Photographs”; Smithsonian Magazine.