Sometime around, or shortly after, the invention of photography.
Some people start their photography career very early in life but some people discover photography later in life, starting as a hobby and then going professional.
Writing came first long before photography.
It is completely dependent on the type of photography you provide. For example, do you take photos or nature or people? Do you do wedding photography or maternity sessions? First figuring that out will help point you in the right direction as far as where to advertise.
Most photography studio's that are connected with department stores ((such as Sears Photography or JC Penny)) often hire people with little to no experience. They do on-sight training and are often a great way to experience photography with adults and small children.
photography was discovered around 1839 so it would have not been long after that.
Plenty of people do flower photography. I am one of the many :)
the answer is in a book read one
Photography
Most people like photography because it is visually pleasing. Technically advanced people may enjoy the technical side of photography, while artistic and thoughtful people may enjoy the conceptual side of photography. It really depends on what type of photography you're talking about.
There are various photography schools all around the country. The New york Institute of Photography would be a great place to start. It's known as a great school for photography in New york.
Newspapers and photography. This was the first war were people seen the horrors of war through photos.