In what ways did historical events, such as the American Civil War and World War I, influence the themes and subjects of photography during their respective periods?
How did the invention of the daguerreotype process in 1839 revolutionize portrait photography, and what were its limitations compared to modern photographic techniques?
How have technological advancements in photographic equipment and techniques since the 19th century altered the artistic direction and accessibility of photography as a medium?
What role did photography play in documenting and influencing public perception during major historical events such as the American Civil War or World War II?
How did the transition from black-and-white to color photography, and later to digital photography, affect the preservation and interpretation of historical photographs?
What role did photography play in the social and political movements of the early 20th century, such as the suffragette movement or the labor rights movement?
How did pioneers like Mathew Brady, Julia Margaret Cameron, and Henri Cartier-Bresson contribute to the evolution of photography, both as an art form and as a means of documentation?