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.
One of the people behind photography as art was Alfred Stieglitz, an American photographer and a promoter for modern art. Many believe it is Stieglitz who made photography as art what it is today. Stieglitz outside photography is widely known for his passion for avant-garde. Alfred owned several New York art galleries and introduced many of the European avant-garde artists to the U.S. public.