Tyrannosaurus lived about 65 to 70 million years ago, in the late Cretaceous Period. T. rex was among the last of the big dinosaurs. Like all non-bird dinosaurs, T. rex lived in the Mesozoic era. Tyrannosaurus is believed to have lived in forests, near rivers, and in areas that were open and full of prey.
Other important technical advances in the history of photography, included the following. Photoetching was invented in 1822-5 by the Frenchman Joseph Niepce (1765-1833), who also made the first photograph from nature in 1826.
Ansel Adams - Student Encyclopedia (Ages 11 and up) (1902-84). The American photographer Ansel Adams was well known for technical innovations and for his dramatic pictures of Western landscapes. He was a pioneer in the movement to preserve the wilderness and one of the first to promote photography as an art form.