Photography
Harriet Christina Tytler (née Earle; 3 October 1828 – 24 November 1907) was a British artist, writer, and a pioneer photographer. With her husband Robert Christopher Tytler, she created over 300 photographs. She is known for the documentation of monuments and the Siege of Delhi.
George Edward Anderson.
Active-pixel sensor.
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.