There are lots of portrait photos in the Getty Museum's exhibition "In Focus: Daguerreotypes," but not many smiles. The photographers would not have been urging their subjects to say "cheese."
Daguerreotypes, named for Frenchman Louis Daguerre, who invented the process in 1839, were the first widely popular form of photography. But the people who posed for them throughout the 1840s and 1850s seldom looked happy. Who would be, when the sitter had to keep perfectly still for at least a few minutes and sometimes much longer to avoid having his or her face come out blurry?