Closer Look: Sergei Eisenstein, The Battleship Potemkin
LECTURE AND DISCUSSION TOPICS
1. The Fourth Dimension
Review the characteristics of two-dimensional and three-dimensional media in the
previous chapters. Introduce the Photography and Time-Based Media chapter as one that
describes a medium that explores the fourth dimension—time. Point out that there is a lot
of debate about what exactly the fourth dimension is. The most logical and most
2. Early Photographic History
Remind students that photography is a relatively new medium. It was not until the 19th
century that the necessary chemistry made it possible to retain an image on a light-
sensitive surface. Explain the different types of supports, such as glass and metal, and the
tedious (and time-consuming) chemical processes used for creating early photographs in
the 19th century. Many early inventors were able to capture an image temporarily, but it
early photographers and their photographic processes using Daguerre’s Le Boulevard du
Temple (fig. 320), Richard Beard’s Maria Edgeworth (fig. 321), and Talbot’s
Mimosoidea Suchas, Acacia (fig. 319).
Discuss how the invention of photography was not well received by painters. Many
portrait and landscape artists felt their careers were doomed, because of photography’s
ability to represent the world. Ironically, photographers such as Julia Margaret Cameron