How did the invention of the daguerreotype process in the early 19th century impact the field of portrait photography and society's perception of self-representation?
4. **In what ways did photography shape public perception and documentation of major historical events, such as wars or social movements, in the late 19th and early 20th centuries?
3. **How did the invention of the daguerreotype process revolutionize the field of photography, and what impact did it have on society during its time of popular use?
2. **What were the technical challenges and limitations faced by early photographers, and how did these affect the style and subjects of historical photographs?
How has the preservation and restoration of historical photographs evolved over time, and what modern techniques are used to maintain the integrity of these images for future generations?
In what ways did early photographers, such as Mathew Brady and Lewis Hine, contribute to social change through their work, and what were some of the challenges they faced in the era they were working?